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| author | Guido van Rossum <guido@python.org> | 1995-07-26 17:33:44 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1995-07-26 17:33:44 (GMT) |
| commit | 07b14dd8bc1cd695c316c22e6a4489f4e1bfc13e (patch) | |
| tree | 26f0750639bbfa6ef451942fd242956a58251a72 /Modules | |
| parent | ef38b78f944156ae84e66c7e827bf1df0149f3c9 (diff) | |
| download | cpython-07b14dd8bc1cd695c316c22e6a4489f4e1bfc13e.zip cpython-07b14dd8bc1cd695c316c22e6a4489f4e1bfc13e.tar.gz cpython-07b14dd8bc1cd695c316c22e6a4489f4e1bfc13e.tar.bz2 | |
add locking where it exists
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/dbhashmodule.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/Modules/dbhashmodule.c b/Modules/dbhashmodule.c index e04cebc..a8df027 100644 --- a/Modules/dbhashmodule.c +++ b/Modules/dbhashmodule.c @@ -334,19 +334,30 @@ dbhashopen(self, args) return NULL; if (flag != NULL) { /* XXX need a way to pass O_EXCL, O_EXLOCK, O_NONBLOCK, O_SHLOCK */ - if (strcmp(flag, "r") == 0) + if (flag[0] == 'r') flags = O_RDONLY; - else if (strcmp(flag, "w") == 0) + else if (flag[0] == 'w') flags = O_RDWR; - else if (strcmp(flag, "c") == 0) + else if (flag[0] == 'c') flags = O_RDWR|O_CREAT; - else if (strcmp(flag, "n") == 0) + else if (flag[0] == 'n') flags = O_RDWR|O_CREAT|O_TRUNC; else { err_setstr(DbhashError, - "Flag should be one of 'r', 'w', 'c' or 'n'"); + "Flag should begin with 'r', 'w', 'c' or 'n'"); return NULL; } + if (flag[1] == 'l') { +#if defined(O_EXLOCK) && defined(O_SHLOCK) + if (flag[0] == 'r') + flags |= O_SHLOCK; + else + flags |= O_EXLOCK; +#else + err_setstr(DbhashError, "locking not supported on this platform"); + return NULL; +#endif + } } return newdbhashobject(file, flags, mode, bsize, ffactor, nelem, cachesize, hash, lorder); |