diff options
Diffstat (limited to 'newlib/libc/sys/linux/process.c')
| -rw-r--r-- | newlib/libc/sys/linux/process.c | 42 |
1 files changed, 5 insertions, 37 deletions
diff --git a/newlib/libc/sys/linux/process.c b/newlib/libc/sys/linux/process.c index 160b80137..58a36176f 100644 --- a/newlib/libc/sys/linux/process.c +++ b/newlib/libc/sys/linux/process.c @@ -4,53 +4,21 @@ #include <sys/unistd.h> -#include <sys/wait.h> -#include <machine/syscall.h> +#include <sys/syscall.h> #define __NR__exit __NR_exit #define __NR__execve __NR_execve +_syscall0(int,fork) +_syscall0(pid_t,vfork) +_syscall3(int,_execve,const char *,file,char * const *,argv,char * const *,envp) _syscall0(int,getpid) +_syscall2(int,setpgid,pid_t,pid,pid_t,pgid) _syscall0(pid_t,getppid) - -weak_alias(__libc_getpid,__getpid); - -#if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 3 -_syscall3(int,_execve,const char *,file,char * const *,argv,char * const *,envp) -_syscall0(int,fork) -#endif /* _ELIX_LEVEL >= 3 */ - -#if !defined(_ELIX_LEVEL) || _ELIX_LEVEL >= 4 _syscall0(pid_t,getpgrp) -_syscall2(int,setpgid,pid_t,pid,pid_t,pgid) _syscall0(pid_t,setsid) -/* Here we implement vfork in terms of fork, since - * Linux's vfork system call is not reliable. - */ -pid_t vfork(void) -{ - pid_t pid; - - pid = fork(); - - if(!pid) - { - /* In child. */ - return 0; - } - else - { - /* In parent. Wait for child to finish. */ - if (waitpid (pid, NULL, 0) < 0) - return pid; - } -} -#endif /* !_ELIX_LEVEL || _ELIX_LEVEL >= 4 */ - - -/* Although _exit is listed as level 3, we use it from level 1 interfaces */ /* FIXME: get rid of noreturn warning */ #define return for (;;) |