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Overhaul process spawning

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Justine Tunney 2023-09-10 08:12:43 -07:00
parent 99dc1281f5
commit 26e254fb4d
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GPG key ID: BE714B4575D6E328
96 changed files with 1848 additions and 1541 deletions
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47
examples/linenoise.c
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@ -7,17 +7,52 @@
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/mem/mem.h"
#include "libc/stdio/stdio.h"
#include "third_party/linenoise/linenoise.h"
#include "libc/calls/calls.h"
#include "libc/calls/struct/sigset.h"
#include "libc/intrin/kprintf.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/posix_spawn.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/sig.h"
int main(int argc, char *argv[]) {
int ws;
char *line;
while ((line = linenoiseWithHistory("IN> ", "foo"))) {
fputs("OUT> ", stdout);
fputs(line, stdout);
fputs("\n", stdout);
char ps1[100];
sigset_t mask, om;
posix_spawnattr_t attr;
ShowCrashReports();
sigemptyset(&mask);
sigaddset(&mask, SIGINT);
sigaddset(&mask, SIGQUIT);
sigaddset(&mask, SIGCHLD);
sigprocmask(SIG_BLOCK, &mask, &om);
posix_spawnattr_init(&attr);
posix_spawnattr_setsigmask(&attr, &om);
for (ws = 0;;) {
if (WIFSIGNALED(ws)) {
ksnprintf(ps1, sizeof(ps1), "\e[1;31m%G\e[0m :> ", ws, WTERMSIG(ws));
} else {
ksnprintf(ps1, sizeof(ps1), "%d :> ", ws, WEXITSTATUS(ws));
}
if (!(line = linenoiseWithHistory(ps1, "unbourne"))) {
break;
}
if (*line) {
int i = 0;
char *args[64];
args[i++] = strtok(line, " \t\v\r\n");
while ((args[i++] = strtok(0, " \t\v\r\n"))) {
}
int pid;
posix_spawnp(&pid, args[0], 0, &attr, args, environ);
wait(&ws);
}
free(line);
}
posix_spawnattr_destroy(&attr);
return 0;
}