diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/msgsnd.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/msgsnd.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/sysdeps/unix/sysv/linux/msgsnd.c b/sysdeps/unix/sysv/linux/msgsnd.c index 7beba6b..c2031be 100644 --- a/sysdeps/unix/sysv/linux/msgsnd.c +++ b/sysdeps/unix/sysv/linux/msgsnd.c @@ -21,7 +21,7 @@ #include <sys/msg.h> #include <ipc_priv.h> -#include <sysdep.h> +#include <sysdep-cancel.h> #include <sys/syscall.h> #include <bp-checks.h> @@ -33,7 +33,17 @@ __libc_msgsnd (msqid, msgp, msgsz, msgflg) size_t msgsz; int msgflg; { - return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz, - msgflg, (void *) CHECK_N (msgp, msgsz)); + if (SINGLE_THREAD_P) + return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz, + msgflg, (void *) CHECK_N (msgp, msgsz)); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz, + msgflg, (void *) CHECK_N (msgp, msgsz)); + + LIBC_CANCEL_RESET (oldtype); + + return result; } weak_alias (__libc_msgsnd, msgsnd) |