/*** *spawnv.c - spawn a child process * * Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved. * *Purpose: * defines _spawnv() - spawn a child process * *Revision History: * 04-15-84 DFW written * 12-11-87 JCR Added "_LOAD_DS" to declaration * 11-20-89 GJF Fixed copyright, alignment. Added const to arg types * for pathname and argv. * 03-08-90 GJF Replace _LOAD_DS with _CALLTYPE1 and added #include * . * 07-24-90 SBM Removed redundant includes, replaced by * * 09-27-90 GJF New-style function declarator. * 01-17-91 GJF ANSI naming. * 02-14-90 SRW Use NULL instead of _environ to get default. * *******************************************************************************/ #include #include #include #include /*** *int _spawnv(modeflag, pathname, argv) - spawn a child process * *Purpose: * Spawns a child process. * formats the parameters and calls _spawnve to do the actual work. The * NULL environment pointer indicates that the new process will inherit * the parents process's environment. NOTE - at least one argument must * be present. This argument is always, by convention, the name of the * file being spawned. * *Entry: * int modeflag - mode to spawn (WAIT, NOWAIT, or OVERLAY) * only WAIT and OVERLAY currently implemented * char *pathname - file to spawn * char **argv - vector of arguments * *Exit: * returns exit code of child process * if fails, returns -1 * *Exceptions: * *******************************************************************************/ int _CALLTYPE1 _spawnv ( int modeflag, const char *pathname, const char * const *argv ) { assert(pathname != NULL); assert(*pathname != '\0'); assert(argv != NULL); assert(*argv != NULL); assert(**argv != '\0'); return(_spawnve(modeflag,pathname,argv,NULL)); }