77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/****************************************************************************
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**
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** Copyright (C) 2019 Intel Corporation.
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy
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** of this software and associated documentation files (the "Software"), to deal
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** in the Software without restriction, including without limitation the rights
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** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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** copies of the Software, and to permit persons to whom the Software is
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** furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in
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** all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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** THE SOFTWARE.
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**
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****************************************************************************/
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#ifndef FORKFD_H
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#define FORKFD_H
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#include <fcntl.h>
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#include <stdint.h>
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#include <sys/wait.h>
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#include <unistd.h> // to get the POSIX flags
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#if _POSIX_SPAWN > 0
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# include <spawn.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FFD_CLOEXEC 1
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#define FFD_NONBLOCK 2
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#define FFD_USE_FORK 4
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#define FFD_VFORK_SEMANTICS 8
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#define FFD_CHILD_PROCESS (-2)
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#define FFDW_NOHANG 1 /* WNOHANG */
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#define FFDW_NOWAIT 2 /* WNOWAIT */
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struct forkfd_info {
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int32_t code;
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int32_t status;
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};
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int forkfd(int flags, pid_t *ppid);
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int forkfd_wait4(int ffd, struct forkfd_info *info, int options, struct rusage *rusage);
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static inline int forkfd_wait(int ffd, struct forkfd_info *info, struct rusage *rusage)
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{
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return forkfd_wait4(ffd, info, 0, rusage);
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}
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int forkfd_close(int ffd);
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#if _POSIX_SPAWN > 0
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/* only for spawnfd: */
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# define FFD_SPAWN_SEARCH_PATH O_RDWR
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int spawnfd(int flags, pid_t *ppid, const char *path, const posix_spawn_file_actions_t *file_actions,
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posix_spawnattr_t *attrp, char *const argv[], char *const envp[]);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif // FORKFD_H
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