diff options
Diffstat (limited to 'nptl/sem_open.c')
| -rw-r--r-- | nptl/sem_open.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/nptl/sem_open.c b/nptl/sem_open.c index 5b45fad..d108286 100644 --- a/nptl/sem_open.c +++ b/nptl/sem_open.c @@ -31,7 +31,7 @@ #include "semaphoreP.h" #include <shm-directory.h> #include <futex-internal.h> - +#include <libc-lock.h> /* Comparison function for search of existing mapping. */ int @@ -153,6 +153,13 @@ sem_open (const char *name, int oflag, ...) /* Create the name of the final file in local variable SHM_NAME. */ SHM_GET_NAME (EINVAL, SEM_FAILED, SEM_SHM_PREFIX); + /* Disable asynchronous cancellation. */ +#ifdef __libc_ptf_call + int state; + __libc_ptf_call (__pthread_setcancelstate, + (PTHREAD_CANCEL_DISABLE, &state), 0); +#endif + /* If the semaphore object has to exist simply open it. */ if ((oflag & O_CREAT) == 0 || (oflag & O_EXCL) == 0) { @@ -193,7 +200,8 @@ sem_open (const char *name, int oflag, ...) if (value > SEM_VALUE_MAX) { __set_errno (EINVAL); - return SEM_FAILED; + result = SEM_FAILED; + goto out; } /* Create the initial file content. */ @@ -233,7 +241,10 @@ sem_open (const char *name, int oflag, ...) mode cannot later be set since then we cannot apply the file create mask. */ if (__mktemp (tmpfname) == NULL) - return SEM_FAILED; + { + result = SEM_FAILED; + goto out; + } /* Open the file. Make sure we do not overwrite anything. */ fd = __libc_open (tmpfname, O_RDWR | O_CREAT | O_EXCL, mode); @@ -247,7 +258,8 @@ sem_open (const char *name, int oflag, ...) __set_errno (EAGAIN); } - return SEM_FAILED; + result = SEM_FAILED; + goto out; } /* We got a file. */ @@ -308,5 +320,10 @@ sem_open (const char *name, int oflag, ...) errno = save; } +out: +#ifdef __libc_ptf_call + __libc_ptf_call (__pthread_setcancelstate, (state, NULL), 0); +#endif + return result; } |