/*** *spawnvp.c - spawn a child process; search along PATH * * Copyright (c) 1985-1991, Microsoft Corporation. All rights reserved. * *Purpose: * defines _spawnvp() - spawn a child process; search along PATH * *Revision History: * 04-15-84 DFW written * 10-29-85 TC added spawnvpe capability * 12-11-87 JCR Added "_LOAD_DS" to declaration * 11-20-89 GJF Fixed copyright, alignment. Added const to arg types * for filename and argv. * 03-08-90 GJF Replaced _LOAD_DS with _CALLTYPE1, added #include * and removed #include * 05-21-90 GJF Fixed stack checking pragma syntax. * 08-24-90 SBM Removed check_stack pragma since workhorse _spawnve * does stack checks * 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 /*** *int _spawnvp(modeflag, filename, argv) - spawn a child process (search PATH) * *Purpose: * Spawns a child process, with search along PATH variable. * formats the parameters and calls _spawnve to do the actual work. The * NULL environment pointer indicates 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 supported * char *pathname - name of file to spawn * char **argv - vector of arguments * *Exit: * returns exit code of child process * returns -1 if fails * *Exceptions: * *******************************************************************************/ int _CALLTYPE1 _spawnvp ( int modeflag, REG3 const char *filename, const char * const *argv ) { return _spawnvpe(modeflag, filename, argv, NULL); }