diff options
| author | Rich Felker <dalias@aerifal.cx> | 2011-04-05 18:00:28 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-04-05 18:00:28 -0400 |
| commit | 729cb49f52c825ac44f437e1ff0865d9f0b3626a (patch) | |
| tree | 18db05e36f16fcdfc1147f4ba1ea19a0ee4bea9c /src/thread/pthread_setcancelstate.c | |
| parent | 918a40f257328a2d7490829b54687cd38d7b787b (diff) | |
| download | musl-729cb49f52c825ac44f437e1ff0865d9f0b3626a.tar.gz | |
new framework to inhibit thread cancellation when needed
with these small changes, libc functions which need to call functions
which are cancellation points, but which themselves must not be
cancellation points, can use the CANCELPT_INHIBIT and CANCELPT_RESUME
macros to temporarily inhibit all cancellation.
Diffstat (limited to 'src/thread/pthread_setcancelstate.c')
| -rw-r--r-- | src/thread/pthread_setcancelstate.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/thread/pthread_setcancelstate.c b/src/thread/pthread_setcancelstate.c index 23c38851..a85cc800 100644 --- a/src/thread/pthread_setcancelstate.c +++ b/src/thread/pthread_setcancelstate.c @@ -3,8 +3,8 @@ int pthread_setcancelstate(int new, int *old) { struct pthread *self = pthread_self(); - if (old) *old = self->canceldisable; + if (old) *old = self->canceldisable & 1; if ((unsigned)new > 1) return EINVAL; - self->canceldisable = new; + self->canceldisable = (self->canceldisable & ~1) | new; return 0; } |