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bugfix: exec执行的文件不存在时，自动退出进程。

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This commit is contained in:
fslongjin
2022-06-09 21:56:32 +08:00
parent f37a090989
commit 2a47569473
16 changed files with 100 additions and 103 deletions
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4
user/apps/shell/cmd.c
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@ -381,7 +381,7 @@ int shell_cmd_exec(int argc, char **argv)
// 子进程
int path_len = 0;
char *file_path = get_target_filepath(argv[1], &path_len);
printf("before execv, path=%s, argc=%d\n", file_path, argc);
// printf("before execv, path=%s, argc=%d\n", file_path, argc);
execv(file_path, argv);
free(argv);
while (1)
@ -390,7 +390,7 @@ int shell_cmd_exec(int argc, char **argv)
}
else
{
printf("parent process wait for pid:[ %d ]\n", pid);
// printf("parent process wait for pid:[ %d ]\n", pid);
waitpid(pid, &retval, 0);
printf("parent process wait pid [ %d ], exit code=%d\n", pid, retval);