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fix shm_open wrongly being cancellable

This commit is contained in:
Rich Felker 2013-07-20 13:19:14 -04:00
parent 1d92cddb1e
commit ce8a995782
1 changed files with 6 additions and 1 deletions
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7
src/mman/shm_open.c
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@ -4,6 +4,7 @@
#include <unistd.h>
#include <string.h>
#include <limits.h>
#include <pthread.h>
char *__strchrnul(const char *, int);
@ -27,9 +28,13 @@ char *__shm_mapname(const char *name, char *buf)
int shm_open(const char *name, int flag, mode_t mode)
{
int cs;
char buf[NAME_MAX+10];
if (!(name = __shm_mapname(name, buf))) return -1;
return open(name, flag|O_NOFOLLOW|O_CLOEXEC|O_NONBLOCK, mode);
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs);
int fd = open(name, flag|O_NOFOLLOW|O_CLOEXEC|O_NONBLOCK, mode);
pthread_setcancelstate(cs, 0);
return fd;
}
int shm_unlink(const char *name)