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rsc 2004-03-25 23:03:57 +00:00
parent cb27443abf
commit 8ad517944e
73 changed files with 2865 additions and 1293 deletions
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41
src/libthread/exec-unix.c
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@ -3,8 +3,8 @@
#include "threadimpl.h"
static void efork(int[3], int[2], char*, char**);
void
threadexec(Channel *pidc, int fd[3], char *prog, char *args[])
static void
_threadexec(Channel *pidc, int fd[3], char *prog, char *args[], int freeargs)
{
int pfd[2];
int n, pid;
@ -40,6 +40,8 @@ threadexec(Channel *pidc, int fd[3], char *prog, char *args[])
efork(fd, pfd, prog, args);
_exit(0);
default:
if(freeargs)
free(args);
break;
}
@ -68,10 +70,43 @@ Bad:
sendul(pidc, ~0);
}
void
threadexec(Channel *pidc, int fd[3], char *prog, char *args[])
{
_threadexec(pidc, fd, prog, args, 0);
}
/*
* The &f+1 trick doesn't work on SunOS, so we might
* as well bite the bullet and do this correctly.
*/
void
threadexecl(Channel *pidc, int fd[3], char *f, ...)
{
threadexec(pidc, fd, f, &f+1);
char **args, *s;
int n;
va_list arg;
va_start(arg, f);
for(n=0; va_arg(arg, char*) != 0; n++)
;
n++;
va_end(arg);
args = malloc(n*sizeof(args[0]));
if(args == nil){
if(pidc)
sendul(pidc, ~0);
return;
}
va_start(arg, f);
for(n=0; (s=va_arg(arg, char*)) != 0; n++)
args[n] = s;
args[n] = 0;
va_end(arg);
_threadexec(pidc, fd, f, args, 1);
}
static void