FreeCalypso > hg > freecalypso-tools
view libpwon/forkoff.c @ 973:7c18eac91457
loadtools: round out support for Intel flash families
The three Intel flash families encountered so far in Calypso GSM devices
are C3, W30 and W18, sizes from 2 to 8 MiB. Let's support all Intel
flash chips from these 3 families across this range of sizes.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 28 Nov 2023 18:56:40 +0000 |
parents | ab54957dbe35 |
children |
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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, bootctrl_etmoff_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); } if (bootctrl_etmoff_mode) { bootctrl_do_etmoff(); return(2); } return(0); }