diff options
Diffstat (limited to 'xorg-server/os/utils.c')
| -rw-r--r-- | xorg-server/os/utils.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/xorg-server/os/utils.c b/xorg-server/os/utils.c index ae28ac567..3e3d97011 100644 --- a/xorg-server/os/utils.c +++ b/xorg-server/os/utils.c @@ -1245,6 +1245,7 @@ OsBlockSignals(void) #ifdef SIG_BLOCK static sig_atomic_t sigio_blocked; +static sigset_t PreviousSigIOMask; #endif /** @@ -1257,13 +1258,13 @@ OsBlockSIGIO(void) #ifdef SIGIO #ifdef SIG_BLOCK if (sigio_blocked++ == 0) { - sigset_t set, old; + sigset_t set; int ret; sigemptyset(&set); sigaddset(&set, SIGIO); - sigprocmask(SIG_BLOCK, &set, &old); - ret = sigismember(&old, SIGIO); + sigprocmask(SIG_BLOCK, &set, &PreviousSigIOMask); + ret = sigismember(&PreviousSigIOMask, SIGIO); return ret; } else #endif @@ -1279,11 +1280,7 @@ OsReleaseSIGIO(void) #ifdef SIGIO #ifdef SIG_BLOCK if (--sigio_blocked == 0) { - sigset_t set; - - sigemptyset(&set); - sigaddset(&set, SIGIO); - sigprocmask(SIG_UNBLOCK, &set, NULL); + sigprocmask(SIG_SETMASK, &PreviousSigIOMask, 0); } else if (sigio_blocked < 0) { BUG_WARN(sigio_blocked < 0); sigio_blocked = 0; |