FreeCalypso > hg > freecalypso-tools
view libpwon/forkoff.c @ 814:214d4c1c7387
rvinterf/include/etm.h: add ETM_BSIM
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 14 May 2021 07:17:50 +0000 |
parents | 7d1df6d831e4 |
children | ab54957dbe35 |
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#include <sys/types.h> #include <signal.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> extern char bootctrl_pwon_cmd[]; extern int bootctrl_duart28c_mode; static char shell_pathname[] = "/bin/sh"; void fork_exec_pwon_cmd() { int i; i = vfork(); if (i < 0) { perror("vfork"); exit(1); } if (i) return; execl(shell_pathname, "sh", "-c", bootctrl_pwon_cmd, (char *) 0); perror(shell_pathname); _exit(1); } pwon_if_needed() { if (bootctrl_duart28c_mode) { signal(SIGCHLD, SIG_IGN); fork_duart28c_pulse(); return(1); } if (bootctrl_pwon_cmd[0]) { signal(SIGCHLD, SIG_IGN); fork_exec_pwon_cmd(); return(1); } return(0); }