2 #include "run-command.h"
5 int start_command(struct child_process
*cmd
)
7 int need_in
= !cmd
->no_stdin
&& cmd
->in
< 0;
12 return -ERR_RUN_COMMAND_PIPE
;
23 return -ERR_RUN_COMMAND_FORK
;
28 int fd
= open("/dev/null", O_RDWR
);
40 if (cmd
->stdout_to_stderr
)
43 execv_git_cmd(cmd
->argv
);
45 execvp(cmd
->argv
[0], (char *const*) cmd
->argv
);
47 die("exec %s failed.", cmd
->argv
[0]);
58 int finish_command(struct child_process
*cmd
)
65 pid_t waiting
= waitpid(cmd
->pid
, &status
, 0);
70 error("waitpid failed (%s)", strerror(errno
));
71 return -ERR_RUN_COMMAND_WAITPID
;
73 if (waiting
!= cmd
->pid
)
74 return -ERR_RUN_COMMAND_WAITPID_WRONG_PID
;
75 if (WIFSIGNALED(status
))
76 return -ERR_RUN_COMMAND_WAITPID_SIGNAL
;
78 if (!WIFEXITED(status
))
79 return -ERR_RUN_COMMAND_WAITPID_NOEXIT
;
80 code
= WEXITSTATUS(status
);
87 int run_command(struct child_process
*cmd
)
89 int code
= start_command(cmd
);
92 return finish_command(cmd
);
95 int run_command_v_opt(const char **argv
, int opt
)
97 struct child_process cmd
;
98 memset(&cmd
, 0, sizeof(cmd
));
100 cmd
.no_stdin
= opt
& RUN_COMMAND_NO_STDIN
? 1 : 0;
101 cmd
.git_cmd
= opt
& RUN_GIT_CMD
? 1 : 0;
102 cmd
.stdout_to_stderr
= opt
& RUN_COMMAND_STDOUT_TO_STDERR
? 1 : 0;
103 return run_command(&cmd
);