diff options
-rw-r--r-- | include/unistd.h | 27 | ||||
-rw-r--r-- | src/unistd/halt.c | 36 | ||||
-rw-r--r-- | src/unistd/hcf.c | 37 |
3 files changed, 100 insertions, 0 deletions
diff --git a/include/unistd.h b/include/unistd.h index dc8e5d5..bb077c1 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -1354,6 +1354,33 @@ ssize_t pwriten(int, const void*, size_t); #endif +#if defined(__SLIBC_SOURCE) +/** + * Halt the process in definitely. + * This function never returns. + * + * This is a slibc extension. + * + * @etymology (Halt)! + * + * @since Always. + */ +__noreturn void halt(void); + +/** + * Halt and catch fire! + * This function never returns. + * + * This is a slibc extension. + * + * @etymology (H)alt and (c)atch (f)rie! + * + * @since Always. + */ +__noreturn void hcf(void); +#endif + + #endif diff --git a/src/unistd/halt.c b/src/unistd/halt.c new file mode 100644 index 0000000..855584f --- /dev/null +++ b/src/unistd/halt.c @@ -0,0 +1,36 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <unistd.h> + + + +/** + * Halt the process in definitely. + * This function never returns. + * + * This is a slibc extension. + * + * @etymology (Halt)! + * + * @since Always. + */ +void halt(void) +{ + for (;; pause()); +} + diff --git a/src/unistd/hcf.c b/src/unistd/hcf.c new file mode 100644 index 0000000..160fa63 --- /dev/null +++ b/src/unistd/hcf.c @@ -0,0 +1,37 @@ +/** + * slibc — Yet another C library + * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#include <unistd.h> + + + +/** + * Halt and catch fire! + * This function never returns. + * + * This is a slibc extension. + * + * @etymology (H)alt and (c)atch (f)rie! + * + * @since Always. + */ +void hcf(void) +{ + catch_fire: + goto catch_fire; +} + |