qt-everywhere-src-5.14.1/qtbase/src/3rdparty/forkfd/forkfd.h

/****************************************************************************
**
** Copyright (C) 2019 Intel Corporation.
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** of this software and associated documentation files (the "Software"), to deal
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** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
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#ifndef FORKFD_H
#define FORKFD_H

#include <fcntl.h>
#include <stdint.h>
#include <sys/wait.h>
#include <unistd.h> // to get the POSIX flags

#if _POSIX_SPAWN > 0
#  include <spawn.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define FFD_CLOEXEC  1
#define FFD_NONBLOCK 2

#define FFD_CHILD_PROCESS (-2)

struct forkfd_info {
    int32_t code;
    int32_t status;
};

int forkfd(int flags, pid_t *ppid);
int forkfd_wait(int ffd, struct forkfd_info *info, struct rusage *rusage);
int forkfd_close(int ffd);

#if _POSIX_SPAWN > 0
/* only for spawnfd: */
#  define FFD_SPAWN_SEARCH_PATH   O_RDWR

int spawnfd(int flags, pid_t *ppid, const char *path, const posix_spawn_file_actions_t *file_actions,
            posix_spawnattr_t *attrp, char *const argv[], char *const envp[]);
#endif

#ifdef __cplusplus
}
#endif

#endif // FORKFD_H