93 lines
2.3 KiB
C++
93 lines
2.3 KiB
C++
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#include "rust_internal.h"
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#if defined(__WIN32__)
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#include <process.h>
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#include <io.h>
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extern "C" CDECL int
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rust_run_program(void* task, const char* argv[],
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int in_fd, int out_fd, int err_fd) {
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STARTUPINFO si;
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ZeroMemory(&si, sizeof(STARTUPINFO));
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si.cb = sizeof(STARTUPINFO);
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si.dwFlags = STARTF_USESTDHANDLES;
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si.hStdInput = (HANDLE)_get_osfhandle(in_fd ? in_fd : 0);
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si.hStdOutput = (HANDLE)_get_osfhandle(out_fd ? out_fd : 1);
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si.hStdError = (HANDLE)_get_osfhandle(err_fd ? err_fd : 2);
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size_t cmd_len = 0;
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for (const char** arg = argv; *arg; arg++) {
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cmd_len += strlen(*arg);
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cmd_len++; // Space or \0
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}
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char* cmd = (char*)malloc(cmd_len);
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char* pos = cmd;
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for (const char** arg = argv; *arg; arg++) {
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strcpy(pos, *arg);
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pos += strlen(*arg);
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if (*(arg+1)) *(pos++) = ' ';
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}
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PROCESS_INFORMATION pi;
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BOOL created = CreateProcess(NULL, cmd, NULL, NULL, TRUE,
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0, NULL, NULL, &si, &pi);
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free(cmd);
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if (!created) return -1;
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return (int)pi.hProcess;
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}
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extern "C" CDECL int
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rust_process_wait(void* task, int proc) {
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DWORD status;
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while (true) {
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if (GetExitCodeProcess((HANDLE)proc, &status) &&
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status != STILL_ACTIVE)
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return (int)status;
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WaitForSingleObject((HANDLE)proc, INFINITE);
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}
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}
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#elif defined(__GNUC__)
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#include <sys/file.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include <termios.h>
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extern "C" CDECL int
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rust_run_program(rust_task* task, char* argv[],
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int in_fd, int out_fd, int err_fd) {
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int pid = fork();
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if (pid != 0) return pid;
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sigset_t sset;
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sigemptyset(&sset);
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sigprocmask(SIG_SETMASK, &sset, NULL);
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if (in_fd) dup2(in_fd, 0);
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if (out_fd) dup2(out_fd, 1);
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if (err_fd) dup2(err_fd, 2);
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/* Close all other fds. */
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for (int fd = getdtablesize() - 1; fd >= 3; fd--) close(fd);
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execvp(argv[0], argv);
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exit(1);
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}
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#else
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#error "Platform not supported."
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#endif
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//
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// Local Variables:
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// mode: C++
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
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// End:
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//
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