1*b30d1939SAndy Fiddaman /*********************************************************************** 2*b30d1939SAndy Fiddaman * * 3*b30d1939SAndy Fiddaman * This software is part of the ast package * 4*b30d1939SAndy Fiddaman * Copyright (c) 1985-2011 AT&T Intellectual Property * 5*b30d1939SAndy Fiddaman * and is licensed under the * 6*b30d1939SAndy Fiddaman * Eclipse Public License, Version 1.0 * 7*b30d1939SAndy Fiddaman * by AT&T Intellectual Property * 8*b30d1939SAndy Fiddaman * * 9*b30d1939SAndy Fiddaman * A copy of the License is available at * 10*b30d1939SAndy Fiddaman * http://www.eclipse.org/org/documents/epl-v10.html * 11*b30d1939SAndy Fiddaman * (with md5 checksum b35adb5213ca9657e911e9befb180842) * 12*b30d1939SAndy Fiddaman * * 13*b30d1939SAndy Fiddaman * Information and Software Systems Research * 14*b30d1939SAndy Fiddaman * AT&T Research * 15*b30d1939SAndy Fiddaman * Florham Park NJ * 16*b30d1939SAndy Fiddaman * * 17*b30d1939SAndy Fiddaman * Glenn Fowler <gsf@research.att.com> * 18*b30d1939SAndy Fiddaman * David Korn <dgk@research.att.com> * 19*b30d1939SAndy Fiddaman * Phong Vo <kpv@research.att.com> * 20*b30d1939SAndy Fiddaman * * 21*b30d1939SAndy Fiddaman ***********************************************************************/ 22*b30d1939SAndy Fiddaman #pragma prototyped 23*b30d1939SAndy Fiddaman 24*b30d1939SAndy Fiddaman #include <ast.h> 25*b30d1939SAndy Fiddaman 26*b30d1939SAndy Fiddaman #if _lib_execve 27*b30d1939SAndy Fiddaman 28*b30d1939SAndy Fiddaman NoN(execve) 29*b30d1939SAndy Fiddaman 30*b30d1939SAndy Fiddaman #else 31*b30d1939SAndy Fiddaman 32*b30d1939SAndy Fiddaman #include <sig.h> 33*b30d1939SAndy Fiddaman #include <wait.h> 34*b30d1939SAndy Fiddaman #include <error.h> 35*b30d1939SAndy Fiddaman 36*b30d1939SAndy Fiddaman static pid_t childpid; 37*b30d1939SAndy Fiddaman 38*b30d1939SAndy Fiddaman static void 39*b30d1939SAndy Fiddaman execsig(int sig) 40*b30d1939SAndy Fiddaman { 41*b30d1939SAndy Fiddaman kill(childpid, sig); 42*b30d1939SAndy Fiddaman signal(sig, execsig); 43*b30d1939SAndy Fiddaman } 44*b30d1939SAndy Fiddaman 45*b30d1939SAndy Fiddaman #if defined(__EXPORT__) 46*b30d1939SAndy Fiddaman #define extern __EXPORT__ 47*b30d1939SAndy Fiddaman #endif 48*b30d1939SAndy Fiddaman 49*b30d1939SAndy Fiddaman extern int 50*b30d1939SAndy Fiddaman execve(const char* path, char* const argv[], char* const arge[]) 51*b30d1939SAndy Fiddaman { 52*b30d1939SAndy Fiddaman int status; 53*b30d1939SAndy Fiddaman 54*b30d1939SAndy Fiddaman if ((childpid = spawnve(path, argv, arge)) < 0) 55*b30d1939SAndy Fiddaman return(-1); 56*b30d1939SAndy Fiddaman for (status = 0; status < 64; status++) 57*b30d1939SAndy Fiddaman signal(status, execsig); 58*b30d1939SAndy Fiddaman while (waitpid(childpid, &status, 0) == -1) 59*b30d1939SAndy Fiddaman if (errno != EINTR) return(-1); 60*b30d1939SAndy Fiddaman if (WIFSIGNALED(status)) 61*b30d1939SAndy Fiddaman { 62*b30d1939SAndy Fiddaman signal(WTERMSIG(status), SIG_DFL); 63*b30d1939SAndy Fiddaman kill(getpid(), WTERMSIG(status)); 64*b30d1939SAndy Fiddaman pause(); 65*b30d1939SAndy Fiddaman } 66*b30d1939SAndy Fiddaman else status = WEXITSTATUS(status); 67*b30d1939SAndy Fiddaman exit(status); 68*b30d1939SAndy Fiddaman } 69*b30d1939SAndy Fiddaman 70*b30d1939SAndy Fiddaman #endif 71