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Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy.

This commit is contained in:
Richard Oudkerk 2013-01-01 17:25:09 +00:00
parent 856cb0fc34
commit 7450a81970
2 changed files with 9 additions and 0 deletions
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2
Misc/NEWS
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@ -175,6 +175,8 @@ Core and Builtins
Library Library
------- -------
- Issue #9586: Redefine SEM_FAILED on MacOSX to keep compiler happy.
- Issue 10527: make multiprocessing use poll() instead of select() if available. - Issue 10527: make multiprocessing use poll() instead of select() if available.
- Issue #16485: Fix file descriptor not being closed if file header patching - Issue #16485: Fix file descriptor not being closed if file header patching

7
Modules/_multiprocessing/semaphore.c
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@ -197,6 +197,13 @@ semlock_release(SemLockObject *self, PyObject *args)
#define SEM_GETVALUE(sem, pval) sem_getvalue(sem, pval) #define SEM_GETVALUE(sem, pval) sem_getvalue(sem, pval)
#define SEM_UNLINK(name) sem_unlink(name) #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 #ifndef HAVE_SEM_UNLINK
# define sem_unlink(name) 0 # define sem_unlink(name) 0
#endif #endif