diff options
| -rw-r--r-- | Misc/NEWS | 2 | ||||
| -rw-r--r-- | Modules/_multiprocessing/semaphore.c | 7 |
2 files changed, 9 insertions, 0 deletions
@@ -189,6 +189,8 @@ Core and Builtins Library ------- +- Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy. + - Issue 10527: make multiprocessing use poll() instead of select() if available. - Issue #16485: Fix file descriptor not being closed if file header patching diff --git a/Modules/_multiprocessing/semaphore.c b/Modules/_multiprocessing/semaphore.c index 1f37d6a..1ee224d 100644 --- a/Modules/_multiprocessing/semaphore.c +++ b/Modules/_multiprocessing/semaphore.c @@ -197,6 +197,13 @@ semlock_release(SemLockObject *self, PyObject *args) #define SEM_GETVALUE(sem, pval) sem_getvalue(sem, pval) #define SEM_UNLINK(name) sem_unlink(name) +/* OS X 10.4 defines SEM_FAILED as -1 instead of (sem_t *)-1; this gives + compiler warnings, and (potentially) undefined behaviour. */ +#ifdef __APPLE__ +# undef SEM_FAILED +# define SEM_FAILED ((sem_t *)-1) +#endif + #ifndef HAVE_SEM_UNLINK # define sem_unlink(name) 0 #endif |