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This commit was generated by cvs2svn to compensate for changes in r2,

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git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz
2000-05-28 13:40:48 +00:00
parent 579491e8a4
commit 53dd513176
847 changed files with 91345 additions and 0 deletions
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95
src/cl65/spawn.c Normal file
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/*****************************************************************************/
/* */
/* spawn.c */
/* */
/* Execute other external programs */
/* */
/* */
/* */
/* (C) 1999 Ullrich von Bassewitz */
/* Wacholderweg 14 */
/* D-70597 Stuttgart */
/* EMail: uz@musoftware.de */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/wait.h>
#include "error.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
int spawnvp (int Mode, const char* File, char* const argv [])
/* Execute the given program searching and wait til it terminates. The Mode
* argument is ignored (compatibility only). The result of the function is
* the return code of the program. The function will terminate the program
* on errors.
*/
{
int Status = 0;
/* Fork */
int pid = fork ();
if (pid < 0) {
/* Error forking */
Error ("Cannot fork: %s", strerror (errno));
} else if (pid == 0) {
/* The son - exec the program */
if (execvp (File, argv) < 0) {
Error ("Cannot exec `%s': %s", File, strerror (errno));
}
} else {
/* The father: Wait for the subprocess to terminate */
if (waitpid (pid, &Status, 0) < 0) {
Error ("Failure waiting for subprocess: %s", strerror (errno));
}
/* Examine the child status */
if (!WIFEXITED (Status)) {
Error ("Subprocess `%s' aborted by signal %d", File, WTERMSIG (Status));
}
}
/* Only the father goes here, we place a return here regardless of that
* to avoid compiler warnings.
*/
return WEXITSTATUS (Status);
}