diff options
| -rw-r--r-- | compat/dispatch_semaphore/semaphore.h | 42 | ||||
| -rwxr-xr-x | configure | 6 |
2 files changed, 47 insertions, 1 deletions
diff --git a/compat/dispatch_semaphore/semaphore.h b/compat/dispatch_semaphore/semaphore.h new file mode 100644 index 0000000000..008c637c01 --- /dev/null +++ b/compat/dispatch_semaphore/semaphore.h @@ -0,0 +1,42 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef COMPAT_DISPATCH_SEMAPHORE_SEMAPHORE_H +#define COMPAT_DISPATCH_SEMAPHORE_SEMAPHORE_H + +#include <dispatch/dispatch.h> +#include <errno.h> + +#define sem_t dispatch_semaphore_t +#define sem_post(psem) dispatch_semaphore_signal(*psem) +#define sem_wait(psem) dispatch_semaphore_wait(*psem, DISPATCH_TIME_FOREVER) +#define sem_timedwait(psem, val) dispatch_semaphore_wait(*psem, dispatch_walltime(val, 0)) +#define sem_destroy(psem) dispatch_release(*psem) + +static inline int compat_sem_init(dispatch_semaphore_t *psem, + int unused, int val) +{ + int ret = !!(*psem = dispatch_semaphore_create(val)) - 1; + if (ret < 0) + errno = ENOMEM; + return ret; +} + +#define sem_init compat_sem_init + +#endif /* COMPAT_DISPATCH_SEMAPHORE_SEMAPHORE_H */ @@ -4615,7 +4615,8 @@ case $target_os in enabled x86_64 && objformat="macho64" enabled_any pic shared x86_64 || { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; } - check_header dispatch/dispatch.h + check_header dispatch/dispatch.h && + add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore' ;; msys*) die "Native MSYS builds are discouraged, please use the MINGW environment."; @@ -5522,6 +5523,9 @@ if enabled pthreads; then check_func pthread_cancel fi +enabled pthreads && + check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" + disabled zlib || check_lib zlib.h zlibVersion -lz || disable zlib disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib disabled lzma || check_lib2 lzma.h lzma_version_number -llzma || disable lzma |