1 /*****************************************************************************/
5 /* Execute other external programs (Unix version) */
9 /* (C) 1999-2002 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>
44 /*****************************************************************************/
46 /*****************************************************************************/
50 /* Mode argument for spawn. This value is ignored by the function and only
51 ** provided for DOS/Windows compatibility.
59 /*****************************************************************************/
61 /*****************************************************************************/
65 int spawnvp (int Mode attribute ((unused)), const char* File, char* const argv [])
66 /* Execute the given program searching and wait until it terminates. The Mode
67 ** argument is ignored (compatibility only). The result of the function is
68 ** the return code of the program. The function will terminate the program
79 Error ("Cannot fork: %s", strerror (errno));
81 } else if (pid == 0) {
83 /* The son - exec the program */
84 if (execvp (File, argv) < 0) {
85 Error ("Cannot exec `%s': %s", File, strerror (errno));
90 /* The father: Wait for the subprocess to terminate */
91 if (waitpid (pid, &Status, 0) < 0) {
92 Error ("Failure waiting for subprocess: %s", strerror (errno));
95 /* Examine the child status */
96 if (!WIFEXITED (Status)) {
97 Error ("Subprocess `%s' aborted by signal %d", File, WTERMSIG (Status));
101 /* Only the father goes here, we place a return here regardless of that
102 ** to avoid compiler warnings.
104 return WEXITSTATUS (Status);