1 |
mszeredi |
4 |
#include "EXTERN.h" |
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#include "perl.h" |
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#include "XSUB.h" |
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dpavlin |
18 |
#ifdef USE_ITHREADS |
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# ifdef I_PTHREAD |
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/* perl implements threads with pthread. So, we use the pthread API for |
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* handling thread-local storage. */ |
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# include <pthread.h> |
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PerlInterpreter *master_interp = NULL; |
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static inline void create_perl_context() { |
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if(master_interp) { |
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PerlInterpreter *me = PERL_GET_CONTEXT; |
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if(!me) { |
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PERL_SET_CONTEXT(master_interp); |
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me = perl_clone(master_interp, CLONEf_CLONE_HOST); |
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} |
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} |
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} |
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# define FUSE_CONTEXT_PRE create_perl_context(); { |
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# define FUSE_CONTEXT_POST } |
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# define FUSE_USE_ITHREADS |
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# else |
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# error "Sorry, I don't know how to handle ithreads on this architecture." |
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# endif |
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#else |
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# define FUSE_CONTEXT_PRE |
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# define FUSE_CONTEXT_POST |
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#endif |
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dpavlin |
7 |
#include <fuse/fuse.h> |
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mszeredi |
4 |
|
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#undef DEBUGf |
33 |
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#if 0 |
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dpavlin |
18 |
#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,sp-PL_stack_base ,##a ) |
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mszeredi |
4 |
#else |
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#define DEBUGf(a...) |
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#endif |
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richdawe |
14 |
#define N_CALLBACKS 25 |
40 |
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SV *_PLfuse_callbacks[N_CALLBACKS]; |
41 |
mszeredi |
4 |
|
42 |
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int _PLfuse_getattr(const char *file, struct stat *result) { |
43 |
dpavlin |
18 |
int rv, statcount; |
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FUSE_CONTEXT_PRE; |
45 |
mszeredi |
4 |
dSP; |
46 |
dpavlin |
18 |
DEBUGf("getattr begin: %s\n",file); |
47 |
mszeredi |
4 |
ENTER; |
48 |
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SAVETMPS; |
49 |
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PUSHMARK(SP); |
50 |
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XPUSHs(sv_2mortal(newSVpv(file,strlen(file)))); |
51 |
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PUTBACK; |
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rv = call_sv(_PLfuse_callbacks[0],G_ARRAY); |
53 |
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SPAGAIN; |
54 |
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if(rv != 13) { |
55 |
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if(rv > 1) { |
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fprintf(stderr,"inappropriate number of returned values from getattr\n"); |
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rv = -ENOSYS; |
58 |
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} else if(rv) |
59 |
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rv = POPi; |
60 |
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else |
61 |
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rv = -ENOENT; |
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} else { |
63 |
dpavlin |
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result->st_blocks = POPi; |
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mszeredi |
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result->st_blksize = POPi; |
65 |
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result->st_ctime = POPi; |
66 |
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result->st_mtime = POPi; |
67 |
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result->st_atime = POPi; |
68 |
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result->st_size = POPi; |
69 |
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result->st_rdev = POPi; |
70 |
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result->st_gid = POPi; |
71 |
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result->st_uid = POPi; |
72 |
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result->st_nlink = POPi; |
73 |
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result->st_mode = POPi; |
74 |
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/*result->st_ino =*/ POPi; |
75 |
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result->st_dev = POPi; |
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rv = 0; |
77 |
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} |
78 |
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FREETMPS; |
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LEAVE; |
80 |
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PUTBACK; |
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dpavlin |
18 |
DEBUGf("getattr end: %i\n",rv); |
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FUSE_CONTEXT_POST; |
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mszeredi |
4 |
return rv; |
84 |
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} |
85 |
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86 |
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int _PLfuse_readlink(const char *file,char *buf,size_t buflen) { |
87 |
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int rv; |
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char *rvstr; |
89 |
dpavlin |
18 |
I32 ax; |
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FUSE_CONTEXT_PRE; |
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mszeredi |
4 |
dSP; |
92 |
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if(buflen < 1) |
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return EINVAL; |
94 |
dpavlin |
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DEBUGf("readlink begin\n"); |
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mszeredi |
4 |
ENTER; |
96 |
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SAVETMPS; |
97 |
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PUSHMARK(SP); |
98 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
99 |
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PUTBACK; |
100 |
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rv = call_sv(_PLfuse_callbacks[1],G_SCALAR); |
101 |
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SPAGAIN; |
102 |
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if(!rv) |
103 |
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rv = -ENOENT; |
104 |
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else { |
105 |
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SV *mysv = POPs; |
106 |
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if(SvTYPE(mysv) == SVt_IV || SvTYPE(mysv) == SVt_NV) |
107 |
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rv = SvIV(mysv); |
108 |
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else { |
109 |
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strncpy(buf,SvPV_nolen(mysv),buflen); |
110 |
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rv = 0; |
111 |
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} |
112 |
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} |
113 |
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FREETMPS; |
114 |
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LEAVE; |
115 |
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buf[buflen-1] = 0; |
116 |
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PUTBACK; |
117 |
dpavlin |
18 |
DEBUGf("readlink end: %i\n",rv); |
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FUSE_CONTEXT_POST; |
119 |
mszeredi |
4 |
return rv; |
120 |
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} |
121 |
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122 |
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int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) { |
123 |
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int prv, rv; |
124 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
125 |
mszeredi |
4 |
dSP; |
126 |
dpavlin |
18 |
DEBUGf("getdir begin\n"); |
127 |
mszeredi |
4 |
ENTER; |
128 |
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SAVETMPS; |
129 |
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PUSHMARK(SP); |
130 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
131 |
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PUTBACK; |
132 |
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prv = call_sv(_PLfuse_callbacks[2],G_ARRAY); |
133 |
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SPAGAIN; |
134 |
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if(prv) { |
135 |
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rv = POPi; |
136 |
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while(--prv) |
137 |
dpavlin |
9 |
dirfil(dirh,POPp,0); |
138 |
mszeredi |
4 |
} else { |
139 |
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fprintf(stderr,"getdir() handler returned nothing!\n"); |
140 |
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rv = -ENOSYS; |
141 |
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} |
142 |
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FREETMPS; |
143 |
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LEAVE; |
144 |
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PUTBACK; |
145 |
dpavlin |
18 |
DEBUGf("getdir end: %i\n",rv); |
146 |
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FUSE_CONTEXT_POST; |
147 |
mszeredi |
4 |
return rv; |
148 |
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} |
149 |
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150 |
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int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) { |
151 |
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int rv; |
152 |
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SV *rvsv; |
153 |
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char *rvstr; |
154 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
155 |
mszeredi |
4 |
dSP; |
156 |
dpavlin |
18 |
DEBUGf("mknod begin\n"); |
157 |
mszeredi |
4 |
ENTER; |
158 |
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SAVETMPS; |
159 |
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PUSHMARK(SP); |
160 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
161 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
162 |
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XPUSHs(sv_2mortal(newSViv(dev))); |
163 |
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PUTBACK; |
164 |
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rv = call_sv(_PLfuse_callbacks[3],G_SCALAR); |
165 |
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SPAGAIN; |
166 |
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if(rv) |
167 |
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rv = POPi; |
168 |
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else |
169 |
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rv = 0; |
170 |
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FREETMPS; |
171 |
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LEAVE; |
172 |
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PUTBACK; |
173 |
dpavlin |
18 |
DEBUGf("mknod end: %i\n",rv); |
174 |
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FUSE_CONTEXT_POST; |
175 |
mszeredi |
4 |
return rv; |
176 |
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} |
177 |
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178 |
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int _PLfuse_mkdir (const char *file, mode_t mode) { |
179 |
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int rv; |
180 |
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SV *rvsv; |
181 |
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char *rvstr; |
182 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
183 |
mszeredi |
4 |
dSP; |
184 |
dpavlin |
18 |
DEBUGf("mkdir begin\n"); |
185 |
mszeredi |
4 |
ENTER; |
186 |
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SAVETMPS; |
187 |
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PUSHMARK(SP); |
188 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
189 |
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XPUSHs(sv_2mortal(newSViv(mode))); |
190 |
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PUTBACK; |
191 |
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rv = call_sv(_PLfuse_callbacks[4],G_SCALAR); |
192 |
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SPAGAIN; |
193 |
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if(rv) |
194 |
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rv = POPi; |
195 |
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else |
196 |
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rv = 0; |
197 |
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FREETMPS; |
198 |
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LEAVE; |
199 |
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PUTBACK; |
200 |
dpavlin |
18 |
DEBUGf("mkdir end: %i\n",rv); |
201 |
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FUSE_CONTEXT_POST; |
202 |
mszeredi |
4 |
return rv; |
203 |
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} |
204 |
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205 |
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206 |
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int _PLfuse_unlink (const char *file) { |
207 |
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int rv; |
208 |
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SV *rvsv; |
209 |
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char *rvstr; |
210 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
211 |
mszeredi |
4 |
dSP; |
212 |
dpavlin |
18 |
DEBUGf("unlink begin\n"); |
213 |
mszeredi |
4 |
ENTER; |
214 |
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SAVETMPS; |
215 |
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PUSHMARK(SP); |
216 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
217 |
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PUTBACK; |
218 |
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rv = call_sv(_PLfuse_callbacks[5],G_SCALAR); |
219 |
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SPAGAIN; |
220 |
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if(rv) |
221 |
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rv = POPi; |
222 |
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else |
223 |
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rv = 0; |
224 |
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FREETMPS; |
225 |
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LEAVE; |
226 |
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PUTBACK; |
227 |
dpavlin |
18 |
DEBUGf("unlink end: %i\n",rv); |
228 |
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FUSE_CONTEXT_POST; |
229 |
mszeredi |
4 |
return rv; |
230 |
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} |
231 |
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232 |
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int _PLfuse_rmdir (const char *file) { |
233 |
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int rv; |
234 |
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SV *rvsv; |
235 |
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char *rvstr; |
236 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
237 |
mszeredi |
4 |
dSP; |
238 |
dpavlin |
18 |
DEBUGf("rmdir begin\n"); |
239 |
mszeredi |
4 |
ENTER; |
240 |
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SAVETMPS; |
241 |
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PUSHMARK(SP); |
242 |
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
243 |
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PUTBACK; |
244 |
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rv = call_sv(_PLfuse_callbacks[6],G_SCALAR); |
245 |
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SPAGAIN; |
246 |
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if(rv) |
247 |
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rv = POPi; |
248 |
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else |
249 |
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rv = 0; |
250 |
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FREETMPS; |
251 |
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LEAVE; |
252 |
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PUTBACK; |
253 |
dpavlin |
18 |
DEBUGf("rmdir end: %i\n",rv); |
254 |
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FUSE_CONTEXT_POST; |
255 |
mszeredi |
4 |
return rv; |
256 |
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} |
257 |
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258 |
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int _PLfuse_symlink (const char *file, const char *new) { |
259 |
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int rv; |
260 |
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SV *rvsv; |
261 |
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char *rvstr; |
262 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
263 |
mszeredi |
4 |
dSP; |
264 |
dpavlin |
18 |
DEBUGf("symlink begin\n"); |
265 |
mszeredi |
4 |
ENTER; |
266 |
|
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SAVETMPS; |
267 |
|
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PUSHMARK(SP); |
268 |
|
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
269 |
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
270 |
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PUTBACK; |
271 |
|
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rv = call_sv(_PLfuse_callbacks[7],G_SCALAR); |
272 |
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SPAGAIN; |
273 |
|
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if(rv) |
274 |
|
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rv = POPi; |
275 |
|
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else |
276 |
|
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rv = 0; |
277 |
|
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FREETMPS; |
278 |
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LEAVE; |
279 |
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PUTBACK; |
280 |
dpavlin |
18 |
DEBUGf("symlink end: %i\n",rv); |
281 |
|
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FUSE_CONTEXT_POST; |
282 |
mszeredi |
4 |
return rv; |
283 |
|
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} |
284 |
|
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|
285 |
|
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int _PLfuse_rename (const char *file, const char *new) { |
286 |
|
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int rv; |
287 |
|
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SV *rvsv; |
288 |
|
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char *rvstr; |
289 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
290 |
mszeredi |
4 |
dSP; |
291 |
dpavlin |
18 |
DEBUGf("rename begin\n"); |
292 |
mszeredi |
4 |
ENTER; |
293 |
|
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SAVETMPS; |
294 |
|
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PUSHMARK(SP); |
295 |
|
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XPUSHs(sv_2mortal(newSVpv(file,0))); |
296 |
|
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XPUSHs(sv_2mortal(newSVpv(new,0))); |
297 |
|
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PUTBACK; |
298 |
|
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rv = call_sv(_PLfuse_callbacks[8],G_SCALAR); |
299 |
|
|
SPAGAIN; |
300 |
|
|
if(rv) |
301 |
|
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rv = POPi; |
302 |
|
|
else |
303 |
|
|
rv = 0; |
304 |
|
|
FREETMPS; |
305 |
|
|
LEAVE; |
306 |
|
|
PUTBACK; |
307 |
dpavlin |
18 |
DEBUGf("rename end: %i\n",rv); |
308 |
|
|
FUSE_CONTEXT_POST; |
309 |
mszeredi |
4 |
return rv; |
310 |
|
|
} |
311 |
|
|
|
312 |
|
|
int _PLfuse_link (const char *file, const char *new) { |
313 |
|
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int rv; |
314 |
|
|
SV *rvsv; |
315 |
|
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char *rvstr; |
316 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
317 |
mszeredi |
4 |
dSP; |
318 |
dpavlin |
18 |
DEBUGf("link begin\n"); |
319 |
mszeredi |
4 |
ENTER; |
320 |
|
|
SAVETMPS; |
321 |
|
|
PUSHMARK(SP); |
322 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
323 |
|
|
XPUSHs(sv_2mortal(newSVpv(new,0))); |
324 |
|
|
PUTBACK; |
325 |
|
|
rv = call_sv(_PLfuse_callbacks[9],G_SCALAR); |
326 |
|
|
SPAGAIN; |
327 |
|
|
if(rv) |
328 |
|
|
rv = POPi; |
329 |
|
|
else |
330 |
|
|
rv = 0; |
331 |
|
|
FREETMPS; |
332 |
|
|
LEAVE; |
333 |
|
|
PUTBACK; |
334 |
dpavlin |
18 |
DEBUGf("link end: %i\n",rv); |
335 |
|
|
FUSE_CONTEXT_POST; |
336 |
mszeredi |
4 |
return rv; |
337 |
|
|
} |
338 |
|
|
|
339 |
|
|
int _PLfuse_chmod (const char *file, mode_t mode) { |
340 |
|
|
int rv; |
341 |
|
|
SV *rvsv; |
342 |
|
|
char *rvstr; |
343 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
344 |
mszeredi |
4 |
dSP; |
345 |
dpavlin |
18 |
DEBUGf("chmod begin\n"); |
346 |
mszeredi |
4 |
ENTER; |
347 |
|
|
SAVETMPS; |
348 |
|
|
PUSHMARK(SP); |
349 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
350 |
|
|
XPUSHs(sv_2mortal(newSViv(mode))); |
351 |
|
|
PUTBACK; |
352 |
|
|
rv = call_sv(_PLfuse_callbacks[10],G_SCALAR); |
353 |
|
|
SPAGAIN; |
354 |
|
|
if(rv) |
355 |
|
|
rv = POPi; |
356 |
|
|
else |
357 |
|
|
rv = 0; |
358 |
|
|
FREETMPS; |
359 |
|
|
LEAVE; |
360 |
|
|
PUTBACK; |
361 |
dpavlin |
18 |
DEBUGf("chmod end: %i\n",rv); |
362 |
|
|
FUSE_CONTEXT_POST; |
363 |
mszeredi |
4 |
return rv; |
364 |
|
|
} |
365 |
|
|
|
366 |
|
|
int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) { |
367 |
|
|
int rv; |
368 |
|
|
SV *rvsv; |
369 |
|
|
char *rvstr; |
370 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
371 |
mszeredi |
4 |
dSP; |
372 |
dpavlin |
18 |
DEBUGf("chown begin\n"); |
373 |
mszeredi |
4 |
ENTER; |
374 |
|
|
SAVETMPS; |
375 |
|
|
PUSHMARK(SP); |
376 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
377 |
|
|
XPUSHs(sv_2mortal(newSViv(uid))); |
378 |
|
|
XPUSHs(sv_2mortal(newSViv(gid))); |
379 |
|
|
PUTBACK; |
380 |
|
|
rv = call_sv(_PLfuse_callbacks[11],G_SCALAR); |
381 |
|
|
SPAGAIN; |
382 |
|
|
if(rv) |
383 |
|
|
rv = POPi; |
384 |
|
|
else |
385 |
|
|
rv = 0; |
386 |
|
|
FREETMPS; |
387 |
|
|
LEAVE; |
388 |
|
|
PUTBACK; |
389 |
dpavlin |
18 |
DEBUGf("chown end: %i\n",rv); |
390 |
|
|
FUSE_CONTEXT_POST; |
391 |
mszeredi |
4 |
return rv; |
392 |
|
|
} |
393 |
|
|
|
394 |
|
|
int _PLfuse_truncate (const char *file, off_t off) { |
395 |
|
|
int rv; |
396 |
|
|
SV *rvsv; |
397 |
|
|
char *rvstr; |
398 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
399 |
mszeredi |
4 |
dSP; |
400 |
dpavlin |
18 |
DEBUGf("truncate begin\n"); |
401 |
mszeredi |
4 |
ENTER; |
402 |
|
|
SAVETMPS; |
403 |
|
|
PUSHMARK(SP); |
404 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
405 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
406 |
|
|
PUTBACK; |
407 |
|
|
rv = call_sv(_PLfuse_callbacks[12],G_SCALAR); |
408 |
|
|
SPAGAIN; |
409 |
|
|
if(rv) |
410 |
|
|
rv = POPi; |
411 |
|
|
else |
412 |
|
|
rv = 0; |
413 |
|
|
FREETMPS; |
414 |
|
|
LEAVE; |
415 |
|
|
PUTBACK; |
416 |
dpavlin |
18 |
DEBUGf("truncate end: %i\n",rv); |
417 |
|
|
FUSE_CONTEXT_POST; |
418 |
mszeredi |
4 |
return rv; |
419 |
|
|
} |
420 |
|
|
|
421 |
|
|
int _PLfuse_utime (const char *file, struct utimbuf *uti) { |
422 |
|
|
int rv; |
423 |
|
|
SV *rvsv; |
424 |
|
|
char *rvstr; |
425 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
426 |
mszeredi |
4 |
dSP; |
427 |
dpavlin |
18 |
DEBUGf("utime begin\n"); |
428 |
mszeredi |
4 |
ENTER; |
429 |
|
|
SAVETMPS; |
430 |
|
|
PUSHMARK(SP); |
431 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
432 |
|
|
XPUSHs(sv_2mortal(newSViv(uti->actime))); |
433 |
|
|
XPUSHs(sv_2mortal(newSViv(uti->modtime))); |
434 |
|
|
PUTBACK; |
435 |
|
|
rv = call_sv(_PLfuse_callbacks[13],G_SCALAR); |
436 |
|
|
SPAGAIN; |
437 |
|
|
if(rv) |
438 |
|
|
rv = POPi; |
439 |
|
|
else |
440 |
|
|
rv = 0; |
441 |
|
|
FREETMPS; |
442 |
|
|
LEAVE; |
443 |
|
|
PUTBACK; |
444 |
dpavlin |
18 |
DEBUGf("utime end: %i\n",rv); |
445 |
|
|
FUSE_CONTEXT_POST; |
446 |
mszeredi |
4 |
return rv; |
447 |
|
|
} |
448 |
|
|
|
449 |
|
|
int _PLfuse_open (const char *file, int flags) { |
450 |
|
|
int rv; |
451 |
|
|
SV *rvsv; |
452 |
|
|
char *rvstr; |
453 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
454 |
mszeredi |
4 |
dSP; |
455 |
dpavlin |
18 |
DEBUGf("open begin\n"); |
456 |
mszeredi |
4 |
ENTER; |
457 |
|
|
SAVETMPS; |
458 |
|
|
PUSHMARK(SP); |
459 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
460 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
461 |
|
|
PUTBACK; |
462 |
|
|
rv = call_sv(_PLfuse_callbacks[14],G_SCALAR); |
463 |
|
|
SPAGAIN; |
464 |
|
|
if(rv) |
465 |
|
|
rv = POPi; |
466 |
|
|
else |
467 |
|
|
rv = 0; |
468 |
|
|
FREETMPS; |
469 |
|
|
LEAVE; |
470 |
|
|
PUTBACK; |
471 |
dpavlin |
18 |
DEBUGf("open end: %i\n",rv); |
472 |
|
|
FUSE_CONTEXT_POST; |
473 |
mszeredi |
4 |
return rv; |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off) { |
477 |
|
|
int rv; |
478 |
|
|
char *rvstr; |
479 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
480 |
mszeredi |
4 |
dSP; |
481 |
dpavlin |
18 |
DEBUGf("read begin\n"); |
482 |
mszeredi |
4 |
ENTER; |
483 |
|
|
SAVETMPS; |
484 |
|
|
PUSHMARK(SP); |
485 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
486 |
|
|
XPUSHs(sv_2mortal(newSViv(buflen))); |
487 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
488 |
|
|
PUTBACK; |
489 |
|
|
rv = call_sv(_PLfuse_callbacks[15],G_SCALAR); |
490 |
|
|
SPAGAIN; |
491 |
|
|
if(!rv) |
492 |
|
|
rv = -ENOENT; |
493 |
|
|
else { |
494 |
|
|
SV *mysv = POPs; |
495 |
|
|
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
496 |
|
|
rv = SvIV(mysv); |
497 |
|
|
else { |
498 |
|
|
if(SvPOK(mysv)) { |
499 |
|
|
rv = SvCUR(mysv); |
500 |
|
|
} else { |
501 |
|
|
rv = 0; |
502 |
|
|
} |
503 |
|
|
if(rv > buflen) |
504 |
dpavlin |
18 |
croak("%i: read() handler returned more than buflen! (%i > %i)",getpid(),rv,buflen); |
505 |
mszeredi |
4 |
if(rv) |
506 |
|
|
memcpy(buf,SvPV_nolen(mysv),rv); |
507 |
|
|
} |
508 |
|
|
} |
509 |
|
|
FREETMPS; |
510 |
|
|
LEAVE; |
511 |
|
|
PUTBACK; |
512 |
dpavlin |
18 |
DEBUGf("read end: %i\n",rv); |
513 |
|
|
FUSE_CONTEXT_POST; |
514 |
mszeredi |
4 |
return rv; |
515 |
|
|
} |
516 |
|
|
|
517 |
|
|
int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off) { |
518 |
|
|
int rv; |
519 |
|
|
char *rvstr; |
520 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
521 |
mszeredi |
4 |
dSP; |
522 |
dpavlin |
18 |
DEBUGf("write begin\n"); |
523 |
mszeredi |
4 |
ENTER; |
524 |
|
|
SAVETMPS; |
525 |
|
|
PUSHMARK(SP); |
526 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
527 |
|
|
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
528 |
|
|
XPUSHs(sv_2mortal(newSViv(off))); |
529 |
|
|
PUTBACK; |
530 |
|
|
rv = call_sv(_PLfuse_callbacks[16],G_SCALAR); |
531 |
|
|
SPAGAIN; |
532 |
|
|
if(rv) |
533 |
|
|
rv = POPi; |
534 |
|
|
else |
535 |
|
|
rv = 0; |
536 |
|
|
FREETMPS; |
537 |
|
|
LEAVE; |
538 |
|
|
PUTBACK; |
539 |
dpavlin |
18 |
DEBUGf("write end: %i\n",rv); |
540 |
|
|
FUSE_CONTEXT_POST; |
541 |
mszeredi |
4 |
return rv; |
542 |
|
|
} |
543 |
|
|
|
544 |
|
|
int _PLfuse_statfs (const char *file, struct statfs *st) { |
545 |
|
|
int rv; |
546 |
|
|
char *rvstr; |
547 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
548 |
mszeredi |
4 |
dSP; |
549 |
dpavlin |
18 |
DEBUGf("statfs begin\n"); |
550 |
mszeredi |
4 |
ENTER; |
551 |
|
|
SAVETMPS; |
552 |
|
|
PUSHMARK(SP); |
553 |
|
|
PUTBACK; |
554 |
|
|
rv = call_sv(_PLfuse_callbacks[17],G_ARRAY); |
555 |
|
|
SPAGAIN; |
556 |
|
|
if(rv > 5) { |
557 |
|
|
st->f_bsize = POPi; |
558 |
|
|
st->f_bfree = POPi; |
559 |
|
|
st->f_blocks = POPi; |
560 |
|
|
st->f_ffree = POPi; |
561 |
|
|
st->f_files = POPi; |
562 |
|
|
st->f_namelen = POPi; |
563 |
|
|
if(rv > 6) |
564 |
|
|
rv = POPi; |
565 |
|
|
else |
566 |
|
|
rv = 0; |
567 |
|
|
} else |
568 |
|
|
if(rv > 1) |
569 |
|
|
croak("inappropriate number of returned values from statfs"); |
570 |
|
|
else |
571 |
|
|
if(rv) |
572 |
|
|
rv = POPi; |
573 |
|
|
else |
574 |
|
|
rv = -ENOSYS; |
575 |
|
|
FREETMPS; |
576 |
|
|
LEAVE; |
577 |
|
|
PUTBACK; |
578 |
dpavlin |
18 |
DEBUGf("statfs end: %i\n",rv); |
579 |
|
|
FUSE_CONTEXT_POST; |
580 |
mszeredi |
4 |
return rv; |
581 |
|
|
} |
582 |
|
|
|
583 |
richdawe |
14 |
int _PLfuse_flush (const char *file) { |
584 |
|
|
int rv; |
585 |
|
|
char *rvstr; |
586 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
587 |
richdawe |
14 |
dSP; |
588 |
dpavlin |
18 |
DEBUGf("flush begin\n"); |
589 |
richdawe |
14 |
ENTER; |
590 |
|
|
SAVETMPS; |
591 |
|
|
PUSHMARK(SP); |
592 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
593 |
|
|
PUTBACK; |
594 |
|
|
rv = call_sv(_PLfuse_callbacks[18],G_SCALAR); |
595 |
|
|
SPAGAIN; |
596 |
|
|
if(rv) |
597 |
|
|
rv = POPi; |
598 |
|
|
else |
599 |
|
|
rv = 0; |
600 |
|
|
FREETMPS; |
601 |
|
|
LEAVE; |
602 |
|
|
PUTBACK; |
603 |
dpavlin |
18 |
DEBUGf("flush end: %i\n",rv); |
604 |
|
|
FUSE_CONTEXT_POST; |
605 |
richdawe |
14 |
return rv; |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
int _PLfuse_release (const char *file, int flags) { |
609 |
|
|
int rv; |
610 |
|
|
char *rvstr; |
611 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
612 |
richdawe |
14 |
dSP; |
613 |
dpavlin |
18 |
DEBUGf("release begin\n"); |
614 |
richdawe |
14 |
ENTER; |
615 |
|
|
SAVETMPS; |
616 |
|
|
PUSHMARK(SP); |
617 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
618 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
619 |
|
|
PUTBACK; |
620 |
|
|
rv = call_sv(_PLfuse_callbacks[19],G_SCALAR); |
621 |
|
|
SPAGAIN; |
622 |
|
|
if(rv) |
623 |
|
|
rv = POPi; |
624 |
|
|
else |
625 |
|
|
rv = 0; |
626 |
|
|
FREETMPS; |
627 |
|
|
LEAVE; |
628 |
|
|
PUTBACK; |
629 |
dpavlin |
18 |
DEBUGf("release end: %i\n",rv); |
630 |
|
|
FUSE_CONTEXT_POST; |
631 |
richdawe |
14 |
return rv; |
632 |
|
|
} |
633 |
|
|
|
634 |
|
|
int _PLfuse_fsync (const char *file, int flags) { |
635 |
|
|
int rv; |
636 |
|
|
char *rvstr; |
637 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
638 |
richdawe |
14 |
dSP; |
639 |
dpavlin |
18 |
DEBUGf("fsync begin\n"); |
640 |
richdawe |
14 |
ENTER; |
641 |
|
|
SAVETMPS; |
642 |
|
|
PUSHMARK(SP); |
643 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
644 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
645 |
|
|
PUTBACK; |
646 |
|
|
rv = call_sv(_PLfuse_callbacks[20],G_SCALAR); |
647 |
|
|
SPAGAIN; |
648 |
|
|
if(rv) |
649 |
|
|
rv = POPi; |
650 |
|
|
else |
651 |
|
|
rv = 0; |
652 |
|
|
FREETMPS; |
653 |
|
|
LEAVE; |
654 |
|
|
PUTBACK; |
655 |
dpavlin |
18 |
DEBUGf("fsync end: %i\n",rv); |
656 |
|
|
FUSE_CONTEXT_POST; |
657 |
richdawe |
14 |
return rv; |
658 |
|
|
} |
659 |
|
|
|
660 |
|
|
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) { |
661 |
|
|
int rv; |
662 |
|
|
char *rvstr; |
663 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
664 |
richdawe |
14 |
dSP; |
665 |
dpavlin |
18 |
DEBUGf("setxattr begin\n"); |
666 |
richdawe |
14 |
ENTER; |
667 |
|
|
SAVETMPS; |
668 |
|
|
PUSHMARK(SP); |
669 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
670 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
671 |
|
|
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
672 |
|
|
XPUSHs(sv_2mortal(newSViv(flags))); |
673 |
|
|
PUTBACK; |
674 |
|
|
rv = call_sv(_PLfuse_callbacks[21],G_SCALAR); |
675 |
|
|
SPAGAIN; |
676 |
|
|
if(rv) |
677 |
|
|
rv = POPi; |
678 |
|
|
else |
679 |
|
|
rv = 0; |
680 |
|
|
FREETMPS; |
681 |
|
|
LEAVE; |
682 |
|
|
PUTBACK; |
683 |
dpavlin |
18 |
DEBUGf("setxattr end: %i\n",rv); |
684 |
|
|
FUSE_CONTEXT_POST; |
685 |
richdawe |
14 |
return rv; |
686 |
|
|
} |
687 |
|
|
|
688 |
|
|
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) { |
689 |
|
|
int rv; |
690 |
|
|
char *rvstr; |
691 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
692 |
richdawe |
14 |
dSP; |
693 |
dpavlin |
18 |
DEBUGf("getxattr begin\n"); |
694 |
richdawe |
14 |
ENTER; |
695 |
|
|
SAVETMPS; |
696 |
|
|
PUSHMARK(SP); |
697 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
698 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
699 |
|
|
PUTBACK; |
700 |
|
|
rv = call_sv(_PLfuse_callbacks[22],G_SCALAR); |
701 |
|
|
SPAGAIN; |
702 |
|
|
if(!rv) |
703 |
|
|
rv = -ENOENT; |
704 |
|
|
else { |
705 |
|
|
SV *mysv = POPs; |
706 |
|
|
|
707 |
|
|
rv = 0; |
708 |
|
|
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
709 |
|
|
rv = SvIV(mysv); |
710 |
|
|
else { |
711 |
|
|
if(SvPOK(mysv)) { |
712 |
|
|
rv = SvCUR(mysv); |
713 |
|
|
} else { |
714 |
|
|
rv = 0; |
715 |
|
|
} |
716 |
|
|
if ((rv > 0) && (buflen > 0)) |
717 |
|
|
{ |
718 |
|
|
if(rv > buflen) |
719 |
|
|
rv = -ERANGE; |
720 |
|
|
else |
721 |
|
|
memcpy(buf,SvPV_nolen(mysv),rv); |
722 |
|
|
} |
723 |
|
|
} |
724 |
|
|
} |
725 |
|
|
FREETMPS; |
726 |
|
|
LEAVE; |
727 |
|
|
PUTBACK; |
728 |
dpavlin |
18 |
DEBUGf("getxattr end: %i\n",rv); |
729 |
|
|
FUSE_CONTEXT_POST; |
730 |
richdawe |
14 |
return rv; |
731 |
|
|
} |
732 |
|
|
|
733 |
|
|
int _PLfuse_listxattr (const char *file, char *list, size_t size) { |
734 |
|
|
int prv, rv; |
735 |
|
|
char *rvstr; |
736 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
737 |
richdawe |
14 |
dSP; |
738 |
dpavlin |
18 |
DEBUGf("listxattr begin\n"); |
739 |
richdawe |
14 |
ENTER; |
740 |
|
|
SAVETMPS; |
741 |
|
|
PUSHMARK(SP); |
742 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
743 |
|
|
PUTBACK; |
744 |
|
|
prv = call_sv(_PLfuse_callbacks[23],G_ARRAY); |
745 |
|
|
SPAGAIN; |
746 |
|
|
if(!prv) |
747 |
|
|
rv = -ENOENT; |
748 |
|
|
else { |
749 |
|
|
|
750 |
|
|
char *p = list; |
751 |
|
|
int spc = size; |
752 |
|
|
int total_len = 0; |
753 |
|
|
int i; |
754 |
|
|
|
755 |
|
|
rv = POPi; |
756 |
|
|
prv--; |
757 |
|
|
|
758 |
|
|
/* Always nul terminate */ |
759 |
|
|
if (list && (size > 0)) |
760 |
|
|
list[0] = '\0'; |
761 |
|
|
|
762 |
|
|
while (prv > 0) |
763 |
|
|
{ |
764 |
|
|
SV *mysv = POPs; |
765 |
|
|
prv--; |
766 |
|
|
|
767 |
|
|
if (SvPOK(mysv)) { |
768 |
|
|
/* Copy nul too */ |
769 |
|
|
int s = SvCUR(mysv) + 1; |
770 |
|
|
total_len += s; |
771 |
|
|
|
772 |
|
|
if (p && (size > 0) && (spc >= s)) |
773 |
|
|
{ |
774 |
|
|
memcpy(p,SvPV_nolen(mysv),s); |
775 |
|
|
p += s; |
776 |
|
|
spc -= s; |
777 |
|
|
} |
778 |
|
|
} |
779 |
|
|
} |
780 |
|
|
|
781 |
|
|
/* |
782 |
|
|
* If the Perl returned an error, return that. |
783 |
|
|
* Otherwise check that the buffer was big enough. |
784 |
|
|
*/ |
785 |
|
|
if (rv == 0) |
786 |
|
|
{ |
787 |
|
|
rv = total_len; |
788 |
|
|
if ((size > 0) && (size < total_len)) |
789 |
|
|
rv = -ERANGE; |
790 |
|
|
} |
791 |
|
|
} |
792 |
|
|
FREETMPS; |
793 |
|
|
LEAVE; |
794 |
|
|
PUTBACK; |
795 |
dpavlin |
18 |
DEBUGf("listxattr end: %i\n",rv); |
796 |
|
|
FUSE_CONTEXT_POST; |
797 |
richdawe |
14 |
return rv; |
798 |
|
|
} |
799 |
|
|
|
800 |
|
|
int _PLfuse_removexattr (const char *file, const char *name) { |
801 |
|
|
int rv; |
802 |
|
|
char *rvstr; |
803 |
dpavlin |
18 |
FUSE_CONTEXT_PRE; |
804 |
richdawe |
14 |
dSP; |
805 |
dpavlin |
18 |
DEBUGf("removexattr begin\n"); |
806 |
richdawe |
14 |
ENTER; |
807 |
|
|
SAVETMPS; |
808 |
|
|
PUSHMARK(SP); |
809 |
|
|
XPUSHs(sv_2mortal(newSVpv(file,0))); |
810 |
|
|
XPUSHs(sv_2mortal(newSVpv(name,0))); |
811 |
|
|
PUTBACK; |
812 |
|
|
rv = call_sv(_PLfuse_callbacks[24],G_SCALAR); |
813 |
|
|
SPAGAIN; |
814 |
|
|
if(rv) |
815 |
|
|
rv = POPi; |
816 |
|
|
else |
817 |
|
|
rv = 0; |
818 |
|
|
FREETMPS; |
819 |
|
|
LEAVE; |
820 |
|
|
PUTBACK; |
821 |
dpavlin |
18 |
DEBUGf("removexattr end: %i\n",rv); |
822 |
|
|
FUSE_CONTEXT_POST; |
823 |
richdawe |
14 |
return rv; |
824 |
|
|
} |
825 |
|
|
|
826 |
mszeredi |
4 |
struct fuse_operations _available_ops = { |
827 |
richdawe |
14 |
getattr: _PLfuse_getattr, |
828 |
|
|
readlink: _PLfuse_readlink, |
829 |
|
|
getdir: _PLfuse_getdir, |
830 |
|
|
mknod: _PLfuse_mknod, |
831 |
|
|
mkdir: _PLfuse_mkdir, |
832 |
|
|
unlink: _PLfuse_unlink, |
833 |
|
|
rmdir: _PLfuse_rmdir, |
834 |
|
|
symlink: _PLfuse_symlink, |
835 |
|
|
rename: _PLfuse_rename, |
836 |
|
|
link: _PLfuse_link, |
837 |
|
|
chmod: _PLfuse_chmod, |
838 |
|
|
chown: _PLfuse_chown, |
839 |
|
|
truncate: _PLfuse_truncate, |
840 |
|
|
utime: _PLfuse_utime, |
841 |
|
|
open: _PLfuse_open, |
842 |
|
|
read: _PLfuse_read, |
843 |
|
|
write: _PLfuse_write, |
844 |
|
|
statfs: _PLfuse_statfs, |
845 |
|
|
flush: _PLfuse_flush, |
846 |
|
|
release: _PLfuse_release, |
847 |
|
|
fsync: _PLfuse_fsync, |
848 |
|
|
setxattr: _PLfuse_setxattr, |
849 |
|
|
getxattr: _PLfuse_getxattr, |
850 |
|
|
listxattr: _PLfuse_listxattr, |
851 |
|
|
removexattr: _PLfuse_removexattr, |
852 |
mszeredi |
4 |
}; |
853 |
|
|
|
854 |
|
|
MODULE = Fuse PACKAGE = Fuse |
855 |
|
|
PROTOTYPES: DISABLE |
856 |
|
|
|
857 |
|
|
void |
858 |
|
|
perl_fuse_main(...) |
859 |
|
|
PREINIT: |
860 |
richdawe |
14 |
struct fuse_operations fops = {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; |
861 |
dpavlin |
18 |
int i, fd, varnum = 0, debug, threaded, have_mnt; |
862 |
mszeredi |
4 |
char *mountpoint; |
863 |
dpavlin |
16 |
char *mountopts; |
864 |
mszeredi |
4 |
STRLEN n_a; |
865 |
|
|
STRLEN l; |
866 |
|
|
INIT: |
867 |
dpavlin |
18 |
if(items != 29) { |
868 |
mszeredi |
4 |
fprintf(stderr,"Perl<->C inconsistency or internal error\n"); |
869 |
|
|
XSRETURN_UNDEF; |
870 |
|
|
} |
871 |
|
|
CODE: |
872 |
|
|
debug = SvIV(ST(0)); |
873 |
dpavlin |
18 |
threaded = SvIV(ST(1)); |
874 |
|
|
if(threaded) { |
875 |
|
|
#ifdef FUSE_USE_ITHREADS |
876 |
|
|
master_interp = PERL_GET_INTERP; |
877 |
|
|
#else |
878 |
|
|
fprintf(stderr,"FUSE warning: Your script has requested multithreaded " |
879 |
|
|
"mode, but your perl was not built with -Dusethreads. " |
880 |
|
|
"Threads are disabled.\n"); |
881 |
|
|
threaded = 0; |
882 |
|
|
#endif |
883 |
|
|
} |
884 |
|
|
mountpoint = SvPV_nolen(ST(2)); |
885 |
|
|
mountopts = SvPV_nolen(ST(3)); |
886 |
richdawe |
14 |
for(i=0;i<N_CALLBACKS;i++) { |
887 |
dpavlin |
18 |
SV *var = ST(i+4); |
888 |
|
|
/* allow symbolic references, or real code references. */ |
889 |
|
|
if((var != &PL_sv_undef) && (SvPOK(var) || (SvROK(var) && SvTYPE(SvRV(var)) == SVt_PVCV))) { |
890 |
|
|
void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops; |
891 |
|
|
tmp2[i] = tmp1[i]; |
892 |
|
|
if(threaded) |
893 |
|
|
/* note: under 5.8.7, this croaks for code references. */ |
894 |
|
|
SvSHARE(var); |
895 |
|
|
_PLfuse_callbacks[i] = var; |
896 |
mszeredi |
4 |
} |
897 |
|
|
} |
898 |
|
|
/* FIXME: need to pass fusermount arguments */ |
899 |
dpavlin |
16 |
fd = fuse_mount(mountpoint,mountopts); |
900 |
mszeredi |
4 |
if(fd < 0) |
901 |
|
|
croak("could not mount fuse filesystem!"); |
902 |
dpavlin |
18 |
if(threaded) { |
903 |
|
|
fuse_loop_mt(fuse_new(fd,debug ? "debug" : NULL,&fops)); |
904 |
|
|
} else |
905 |
|
|
fuse_loop(fuse_new(fd,debug ? "debug" : NULL,&fops)); |