projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* Our pthread support normally needs to intercept a number of thread */ |
| 2 | /* calls. We arrange to do that here, if appropriate. */ | |
| 3 | ||
| 4 | #ifndef GC_PTHREAD_REDIRECTS_H | |
| 5 | ||
| 6 | #define GC_PTHREAD_REDIRECTS_H | |
| 7 | ||
| 8 | #if !defined(GC_USE_LD_WRAP) && defined(GC_PTHREADS) | |
| 9 | /* We need to intercept calls to many of the threads primitives, so */ | |
| 10 | /* that we can locate thread stacks and stop the world. */ | |
| 11 | /* Note also that the collector cannot always see thread specific data. */ | |
| 12 | /* Thread specific data should generally consist of pointers to */ | |
| 13 | /* uncollectable objects (allocated with GC_malloc_uncollectable, */ | |
| 14 | /* not the system malloc), which are deallocated using the destructor */ | |
| 15 | /* facility in thr_keycreate. Alternatively, keep a redundant pointer */ | |
| 16 | /* to thread specific data on the thread stack. */ | |
| 17 | ||
| 18 | # include <pthread.h> | |
| 19 | # include <signal.h> | |
| 20 | ||
| 21 | int GC_pthread_create(pthread_t *new_thread, | |
| 22 | const pthread_attr_t *attr, | |
| 23 | void *(*start_routine)(void *), void *arg); | |
| 24 | #ifndef GC_DARWIN_THREADS | |
| 25 | int GC_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset); | |
| 26 | #endif | |
| 27 | int GC_pthread_join(pthread_t thread, void **retval); | |
| 28 | int GC_pthread_detach(pthread_t thread); | |
| 29 | ||
| 30 | #if defined(GC_OSF1_THREADS) \ | |
| 31 | && defined(_PTHREAD_USE_MANGLED_NAMES_) && !defined(_PTHREAD_USE_PTDNAM_) | |
| 32 | /* Unless the compiler supports #pragma extern_prefix, the Tru64 UNIX | |
| 33 | <pthread.h> redefines some POSIX thread functions to use mangled names. | |
| 34 | If so, undef them before redefining. */ | |
| 35 | # undef pthread_create | |
| 36 | # undef pthread_join | |
| 37 | # undef pthread_detach | |
| 38 | #endif | |
| 39 | ||
| 40 | # define pthread_create GC_pthread_create | |
| 41 | # define pthread_join GC_pthread_join | |
| 42 | # define pthread_detach GC_pthread_detach | |
| 43 | ||
| 44 | #ifndef GC_DARWIN_THREADS | |
| 45 | # ifdef pthread_sigmask | |
| 46 | # undef pthread_sigmask | |
| 47 | # endif /* pthread_sigmask */ | |
| 48 | # define pthread_sigmask GC_pthread_sigmask | |
| 49 | # define dlopen GC_dlopen | |
| 50 | #endif | |
| 51 | ||
| 52 | #endif /* GC_xxxxx_THREADS */ | |
| 53 | ||
| 54 | #endif /* GC_PTHREAD_REDIRECTS_H */ |