1 /*****************************************************************************/
5 /* Execute other external programs */
9 /* (C) 1999 Ullrich von Bassewitz */
11 /* D-70597 Stuttgart */
12 /* EMail: uz@musoftware.de */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
39 #include <sys/types.h>
46 /*****************************************************************************/
48 /*****************************************************************************/
52 int spawnvp (int Mode, const char* File, char* const argv [])
53 /* Execute the given program searching and wait til it terminates. The Mode
54 * argument is ignored (compatibility only). The result of the function is
55 * the return code of the program. The function will terminate the program
66 Error ("Cannot fork: %s", strerror (errno));
68 } else if (pid == 0) {
70 /* The son - exec the program */
71 if (execvp (File, argv) < 0) {
72 Error ("Cannot exec `%s': %s", File, strerror (errno));
77 /* The father: Wait for the subprocess to terminate */
78 if (waitpid (pid, &Status, 0) < 0) {
79 Error ("Failure waiting for subprocess: %s", strerror (errno));
82 /* Examine the child status */
83 if (!WIFEXITED (Status)) {
84 Error ("Subprocess `%s' aborted by signal %d", File, WTERMSIG (Status));
88 /* Only the father goes here, we place a return here regardless of that
89 * to avoid compiler warnings.
91 return WEXITSTATUS (Status);