diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/msgrcv.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/msgrcv.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/msgrcv.c b/sysdeps/unix/sysv/linux/msgrcv.c index fdc13ff0fa..7d8a8e7859 100644 --- a/sysdeps/unix/sysv/linux/msgrcv.c +++ b/sysdeps/unix/sysv/linux/msgrcv.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> @@ -50,6 +50,17 @@ __libc_msgrcv (msqid, msgp, msgsz, msgtyp, msgflg) tmp.msgp = CHECK_N (msgp, msgsz); tmp.msgtyp = msgtyp; - return INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg, __ptrvalue (&tmp)); + if (SINGLE_THREAD_P) + return INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg, + __ptrvalue (&tmp)); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg, + __ptrvalue (&tmp)); + + LIBC_CANCEL_RESET (oldtype); + + return result; } weak_alias (__libc_msgrcv, msgrcv) |