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author | Antoine Pitrou <solipsis@pitrou.net> | 2010-05-09 16:14:21 (GMT) |
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committer | Antoine Pitrou <solipsis@pitrou.net> | 2010-05-09 16:14:21 (GMT) |
commit | 7f14f0d8a0228c50d5b5de2acbfe9a64ebc6749a (patch) | |
tree | d25489e9531c01f1e9244012bbfaa929f382883e /Python/thread_os2.h | |
parent | b7d943625cf4353f6cb72df16252759f2dbd8e06 (diff) | |
download | cpython-7f14f0d8a0228c50d5b5de2acbfe9a64ebc6749a.zip cpython-7f14f0d8a0228c50d5b5de2acbfe9a64ebc6749a.tar.gz cpython-7f14f0d8a0228c50d5b5de2acbfe9a64ebc6749a.tar.bz2 |
Recorded merge of revisions 81032 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k
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r81032 | antoine.pitrou | 2010-05-09 17:52:27 +0200 (dim., 09 mai 2010) | 9 lines
Recorded merge of revisions 81029 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
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r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines
Untabify C files. Will watch buildbots.
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Diffstat (limited to 'Python/thread_os2.h')
-rw-r--r-- | Python/thread_os2.h | 316 |
1 files changed, 158 insertions, 158 deletions
diff --git a/Python/thread_os2.h b/Python/thread_os2.h index 12eeed5..28284bb 100644 --- a/Python/thread_os2.h +++ b/Python/thread_os2.h @@ -16,10 +16,10 @@ long PyThread_get_thread_ident(void); /* default thread stack size of 64kB */ #if !defined(THREAD_STACK_SIZE) -#define THREAD_STACK_SIZE 0x10000 +#define THREAD_STACK_SIZE 0x10000 #endif -#define OS2_STACKSIZE(x) (x ? x : THREAD_STACK_SIZE) +#define OS2_STACKSIZE(x) (x ? x : THREAD_STACK_SIZE) /* * Initialization of the C package, should not be needed. @@ -35,153 +35,153 @@ PyThread__init_thread(void) long PyThread_start_new_thread(void (*func)(void *), void *arg) { - int thread_id; + int thread_id; - thread_id = _beginthread(func, - NULL, - OS2_STACKSIZE(_pythread_stacksize), - arg); + thread_id = _beginthread(func, + NULL, + OS2_STACKSIZE(_pythread_stacksize), + arg); - if (thread_id == -1) { - dprintf(("_beginthread failed. return %ld\n", errno)); - } + if (thread_id == -1) { + dprintf(("_beginthread failed. return %ld\n", errno)); + } - return thread_id; + return thread_id; } long PyThread_get_thread_ident(void) { #if !defined(PYCC_GCC) - PPIB pib; - PTIB tib; + PPIB pib; + PTIB tib; #endif - if (!initialized) - PyThread_init_thread(); + if (!initialized) + PyThread_init_thread(); #if defined(PYCC_GCC) - return _gettid(); + return _gettid(); #else - DosGetInfoBlocks(&tib, &pib); - return tib->tib_ptib2->tib2_ultid; + DosGetInfoBlocks(&tib, &pib); + return tib->tib_ptib2->tib2_ultid; #endif } static void do_PyThread_exit_thread(int no_cleanup) { - dprintf(("%ld: PyThread_exit_thread called\n", - PyThread_get_thread_ident())); - if (!initialized) - if (no_cleanup) - _exit(0); - else - exit(0); - _endthread(); + dprintf(("%ld: PyThread_exit_thread called\n", + PyThread_get_thread_ident())); + if (!initialized) + if (no_cleanup) + _exit(0); + else + exit(0); + _endthread(); } -void +void PyThread_exit_thread(void) { - do_PyThread_exit_thread(0); + do_PyThread_exit_thread(0); } -void +void PyThread__exit_thread(void) { - do_PyThread_exit_thread(1); + do_PyThread_exit_thread(1); } #ifndef NO_EXIT_PROG -static void +static void do_PyThread_exit_prog(int status, int no_cleanup) { - dprintf(("PyThread_exit_prog(%d) called\n", status)); - if (!initialized) - if (no_cleanup) - _exit(status); - else - exit(status); + dprintf(("PyThread_exit_prog(%d) called\n", status)); + if (!initialized) + if (no_cleanup) + _exit(status); + else + exit(status); } -void +void PyThread_exit_prog(int status) { - do_PyThread_exit_prog(status, 0); + do_PyThread_exit_prog(status, 0); } -void +void PyThread__exit_prog(int status) { - do_PyThread_exit_prog(status, 1); + do_PyThread_exit_prog(status, 1); } #endif /* NO_EXIT_PROG */ /* * Lock support. This is implemented with an event semaphore and critical - * sections to make it behave more like a posix mutex than its OS/2 + * sections to make it behave more like a posix mutex than its OS/2 * counterparts. */ typedef struct os2_lock_t { - int is_set; - HEV changed; + int is_set; + HEV changed; } *type_os2_lock; -PyThread_type_lock +PyThread_type_lock PyThread_allocate_lock(void) { #if defined(PYCC_GCC) - _fmutex *sem = malloc(sizeof(_fmutex)); - if (!initialized) - PyThread_init_thread(); - dprintf(("%ld: PyThread_allocate_lock() -> %lx\n", - PyThread_get_thread_ident(), - (long)sem)); - if (_fmutex_create(sem, 0)) { - free(sem); - sem = NULL; - } - return (PyThread_type_lock)sem; + _fmutex *sem = malloc(sizeof(_fmutex)); + if (!initialized) + PyThread_init_thread(); + dprintf(("%ld: PyThread_allocate_lock() -> %lx\n", + PyThread_get_thread_ident(), + (long)sem)); + if (_fmutex_create(sem, 0)) { + free(sem); + sem = NULL; + } + return (PyThread_type_lock)sem; #else - APIRET rc; - type_os2_lock lock = (type_os2_lock)malloc(sizeof(struct os2_lock_t)); + APIRET rc; + type_os2_lock lock = (type_os2_lock)malloc(sizeof(struct os2_lock_t)); - dprintf(("PyThread_allocate_lock called\n")); - if (!initialized) - PyThread_init_thread(); + dprintf(("PyThread_allocate_lock called\n")); + if (!initialized) + PyThread_init_thread(); - lock->is_set = 0; + lock->is_set = 0; - DosCreateEventSem(NULL, &lock->changed, 0, 0); + DosCreateEventSem(NULL, &lock->changed, 0, 0); - dprintf(("%ld: PyThread_allocate_lock() -> %p\n", - PyThread_get_thread_ident(), - lock->changed)); + dprintf(("%ld: PyThread_allocate_lock() -> %p\n", + PyThread_get_thread_ident(), + lock->changed)); - return (PyThread_type_lock)lock; + return (PyThread_type_lock)lock; #endif } -void +void PyThread_free_lock(PyThread_type_lock aLock) { #if !defined(PYCC_GCC) - type_os2_lock lock = (type_os2_lock)aLock; + type_os2_lock lock = (type_os2_lock)aLock; #endif - dprintf(("%ld: PyThread_free_lock(%p) called\n", - PyThread_get_thread_ident(),aLock)); + dprintf(("%ld: PyThread_free_lock(%p) called\n", + PyThread_get_thread_ident(),aLock)); #if defined(PYCC_GCC) - if (aLock) { - _fmutex_close((_fmutex *)aLock); - free((_fmutex *)aLock); - } + if (aLock) { + _fmutex_close((_fmutex *)aLock); + free((_fmutex *)aLock); + } #else - DosCloseEventSem(lock->changed); - free(aLock); + DosCloseEventSem(lock->changed); + free(aLock); #endif } @@ -190,98 +190,98 @@ PyThread_free_lock(PyThread_type_lock aLock) * * and 0 if the lock was not acquired. */ -int +int PyThread_acquire_lock(PyThread_type_lock aLock, int waitflag) { #if !defined(PYCC_GCC) - int done = 0; - ULONG count; - PID pid = 0; - TID tid = 0; - type_os2_lock lock = (type_os2_lock)aLock; + int done = 0; + ULONG count; + PID pid = 0; + TID tid = 0; + type_os2_lock lock = (type_os2_lock)aLock; #endif - dprintf(("%ld: PyThread_acquire_lock(%p, %d) called\n", - PyThread_get_thread_ident(), - aLock, - waitflag)); + dprintf(("%ld: PyThread_acquire_lock(%p, %d) called\n", + PyThread_get_thread_ident(), + aLock, + waitflag)); #if defined(PYCC_GCC) - /* always successful if the lock doesn't exist */ - if (aLock && - _fmutex_request((_fmutex *)aLock, waitflag ? 0 : _FMR_NOWAIT)) - return 0; + /* always successful if the lock doesn't exist */ + if (aLock && + _fmutex_request((_fmutex *)aLock, waitflag ? 0 : _FMR_NOWAIT)) + return 0; #else - while (!done) { - /* if the lock is currently set, we have to wait for - * the state to change - */ - if (lock->is_set) { - if (!waitflag) - return 0; - DosWaitEventSem(lock->changed, SEM_INDEFINITE_WAIT); - } - - /* enter a critical section and try to get the semaphore. If - * it is still locked, we will try again. - */ - if (DosEnterCritSec()) - return 0; - - if (!lock->is_set) { - lock->is_set = 1; - DosResetEventSem(lock->changed, &count); - done = 1; - } - - DosExitCritSec(); - } + while (!done) { + /* if the lock is currently set, we have to wait for + * the state to change + */ + if (lock->is_set) { + if (!waitflag) + return 0; + DosWaitEventSem(lock->changed, SEM_INDEFINITE_WAIT); + } + + /* enter a critical section and try to get the semaphore. If + * it is still locked, we will try again. + */ + if (DosEnterCritSec()) + return 0; + + if (!lock->is_set) { + lock->is_set = 1; + DosResetEventSem(lock->changed, &count); + done = 1; + } + + DosExitCritSec(); + } #endif - return 1; + return 1; } void PyThread_release_lock(PyThread_type_lock aLock) { #if !defined(PYCC_GCC) - type_os2_lock lock = (type_os2_lock)aLock; + type_os2_lock lock = (type_os2_lock)aLock; #endif - dprintf(("%ld: PyThread_release_lock(%p) called\n", - PyThread_get_thread_ident(), - aLock)); + dprintf(("%ld: PyThread_release_lock(%p) called\n", + PyThread_get_thread_ident(), + aLock)); #if defined(PYCC_GCC) - if (aLock) - _fmutex_release((_fmutex *)aLock); + if (aLock) + _fmutex_release((_fmutex *)aLock); #else - if (!lock->is_set) { - dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", - PyThread_get_thread_ident(), - aLock, - GetLastError())); - return; - } - - if (DosEnterCritSec()) { - dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", - PyThread_get_thread_ident(), - aLock, - GetLastError())); - return; - } - - lock->is_set = 0; - DosPostEventSem(lock->changed); - - DosExitCritSec(); + if (!lock->is_set) { + dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", + PyThread_get_thread_ident(), + aLock, + GetLastError())); + return; + } + + if (DosEnterCritSec()) { + dprintf(("%ld: Could not PyThread_release_lock(%p) error: %l\n", + PyThread_get_thread_ident(), + aLock, + GetLastError())); + return; + } + + lock->is_set = 0; + DosPostEventSem(lock->changed); + + DosExitCritSec(); #endif } /* minimum/maximum thread stack sizes supported */ -#define THREAD_MIN_STACKSIZE 0x8000 /* 32kB */ -#define THREAD_MAX_STACKSIZE 0x2000000 /* 32MB */ +#define THREAD_MIN_STACKSIZE 0x8000 /* 32kB */ +#define THREAD_MAX_STACKSIZE 0x2000000 /* 32MB */ /* set the thread stack size. * Return 0 if size is valid, -1 otherwise. @@ -289,19 +289,19 @@ PyThread_release_lock(PyThread_type_lock aLock) static int _pythread_os2_set_stacksize(size_t size) { - /* set to default */ - if (size == 0) { - _pythread_stacksize = 0; - return 0; - } - - /* valid range? */ - if (size >= THREAD_MIN_STACKSIZE && size < THREAD_MAX_STACKSIZE) { - _pythread_stacksize = size; - return 0; - } - - return -1; + /* set to default */ + if (size == 0) { + _pythread_stacksize = 0; + return 0; + } + + /* valid range? */ + if (size >= THREAD_MIN_STACKSIZE && size < THREAD_MAX_STACKSIZE) { + _pythread_stacksize = size; + return 0; + } + + return -1; } -#define THREAD_SET_STACKSIZE(x) _pythread_os2_set_stacksize(x) +#define THREAD_SET_STACKSIZE(x) _pythread_os2_set_stacksize(x) |