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https://github.com/jart/cosmopolitan.git
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59 lines
2 KiB
C
59 lines
2 KiB
C
#if 0
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/*─────────────────────────────────────────────────────────────────╗
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│ To the extent possible under law, Justine Tunney has waived │
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│ all copyright and related or neighboring rights to this file, │
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│ as it is written in the following disclaimers: │
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│ • http://unlicense.org/ │
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│ • http://creativecommons.org/publicdomain/zero/1.0/ │
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╚─────────────────────────────────────────────────────────────────*/
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#endif
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#include "third_party/linenoise/linenoise.h"
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/sigset.h"
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#include "libc/intrin/kprintf.h"
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#include "libc/mem/mem.h"
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#include "libc/proc/posix_spawn.h"
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#include "libc/runtime/runtime.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/sig.h"
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int main(int argc, char *argv[]) {
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int ws;
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char *line;
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char ps1[100];
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sigset_t mask, om;
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posix_spawnattr_t attr;
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ShowCrashReports();
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sigemptyset(&mask);
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sigaddset(&mask, SIGINT);
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sigaddset(&mask, SIGQUIT);
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sigaddset(&mask, SIGCHLD);
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sigprocmask(SIG_BLOCK, &mask, &om);
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posix_spawnattr_init(&attr);
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posix_spawnattr_setsigmask(&attr, &om);
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for (ws = 0;;) {
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if (WIFSIGNALED(ws)) {
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ksnprintf(ps1, sizeof(ps1), "\e[1;31m%G\e[0m :> ", ws, WTERMSIG(ws));
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} else {
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ksnprintf(ps1, sizeof(ps1), "%d :> ", ws, WEXITSTATUS(ws));
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}
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if (!(line = linenoiseWithHistory(ps1, "unbourne"))) {
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break;
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}
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if (*line) {
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int i = 0;
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char *args[64];
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args[i++] = strtok(line, " \t\v\r\n");
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while ((args[i++] = strtok(0, " \t\v\r\n"))) {
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}
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int pid;
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posix_spawnp(&pid, args[0], 0, &attr, args, environ);
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wait(&ws);
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}
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free(line);
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}
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posix_spawnattr_destroy(&attr);
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return 0;
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}
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