mirror of
https://github.com/jart/cosmopolitan.git
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e963d9c8e3
Thanks to all the refactorings we now have the ability to enforce
reasonable limitations on the amount of resources any individual
compile or test can consume. Those limits are currently:
- `-C 8` seconds of 3.1ghz CPU time
- `-M 256mebibytes` of virtual memory
- `-F 100megabyte` limit on file size
Only one file currently needs to exceed these limits:
o/$(MODE)/third_party/python/Objects/unicodeobject.o: \
QUOTA += -C16 # overrides cpu limit to 16 seconds
This change introduces a new sizetol() function to LIBC_FMT for parsing
byte or bit size strings with Si unit suffixes. Functions like atoi()
have been rewritten too.
154 lines
7 KiB
C
154 lines
7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/log/log.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/sicode.h"
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#include "libc/sysv/consts/sig.h"
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static bool IsSiUser(int si_code) {
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if (!IsOpenbsd()) {
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return si_code == SI_USER;
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} else {
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return si_code <= 0;
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}
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}
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/**
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* Returns symbolic name for siginfo::si_code value.
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*/
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const char *GetSiCodeName(int sig, int si_code) {
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static char b[16];
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memset(b, 0, sizeof(b));
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strcpy(b, "SI_???");
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if (si_code == SI_QUEUE) {
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strcpy(b + 3, "QUEUE"); /* sent by sigqueue(2) */
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} else if (si_code == SI_TIMER) {
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strcpy(b + 3, "TIMER"); /* sent by setitimer(2) or clock_settime(2) */
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} else if (si_code == SI_TKILL) {
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strcpy(b + 3, "TKILL"); /* sent by tkill(2), etc. */
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} else if (si_code == SI_MESGQ) {
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strcpy(b + 3, "MESGQ"); /* sent by mq_notify(2) */
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} else if (si_code == SI_MESGQ) {
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strcpy(b + 3, "MESGQ"); /* aio completion */
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} else if (si_code == SI_ASYNCNL) {
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strcpy(b + 3, "ASYNCNL"); /* aio completion for dns; the horror */
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} else if (si_code == SI_NOINFO) {
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strcpy(b + 3, "NOINFO"); /* no signal specific info available */
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} else if (si_code == SI_KERNEL) {
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strcpy(b + 3, "KERNEL"); /* sent by kernel */
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} else if (IsSiUser(si_code)) {
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strcpy(b + 3, "USER"); /* sent by kill(2) i.e. from userspace */
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} else if (sig == SIGCHLD) {
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strcpy(b, "CLD_???");
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if (si_code == CLD_EXITED) {
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strcpy(b + 4, "EXITED"); /* child exited */
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} else if (si_code == CLD_KILLED) {
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strcpy(b + 4, "KILLED"); /* child terminated w/o core */
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} else if (si_code == CLD_DUMPED) {
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strcpy(b + 4, "DUMPED"); /* child terminated w/ core */
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} else if (si_code == CLD_TRAPPED) {
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strcpy(b + 4, "TRAPPED"); /* traced child trapped */
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} else if (si_code == CLD_STOPPED) {
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strcpy(b + 4, "STOPPED"); /* child stopped */
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} else if (si_code == CLD_CONTINUED) {
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strcpy(b + 4, "CONTINUED"); /* stopped child continued */
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}
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} else if (sig == SIGTRAP) {
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strcpy(b, "TRAP_???");
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if (si_code == TRAP_BRKPT) {
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strcpy(b + 5, "BRKPT"); /* process breakpoint */
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} else if (si_code == TRAP_TRACE) {
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strcpy(b + 5, "TRACE"); /* process trace trap */
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}
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} else if (sig == SIGSEGV) {
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strcpy(b, "SEGV_???");
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if (si_code == SEGV_MAPERR) {
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strcpy(b + 5, "MAPERR"); /* address not mapped to object */
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} else if (si_code == SEGV_ACCERR) {
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strcpy(b + 5, "ACCERR"); /* invalid permissions for mapped object */
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}
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} else if (sig == SIGFPE) {
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strcpy(b, "FPE_???");
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if (si_code == FPE_INTDIV) {
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strcpy(b + 4, "INTDIV"); /* integer divide by zero */
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} else if (si_code == FPE_INTOVF) {
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strcpy(b + 4, "INTOVF"); /* integer overflow */
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} else if (si_code == FPE_FLTDIV) {
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strcpy(b + 4, "FLTDIV"); /* floating point divide by zero */
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} else if (si_code == FPE_FLTOVF) {
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strcpy(b + 4, "FLTOVF"); /* floating point overflow */
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} else if (si_code == FPE_FLTUND) {
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strcpy(b + 4, "FLTUND"); /* floating point underflow */
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} else if (si_code == FPE_FLTRES) {
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strcpy(b + 4, "FLTRES"); /* floating point inexact */
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} else if (si_code == FPE_FLTINV) {
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strcpy(b + 4, "FLTINV"); /* invalid floating point operation */
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} else if (si_code == FPE_FLTSUB) {
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strcpy(b + 4, "FLTSUB"); /* subscript out of range */
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}
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} else if (sig == SIGILL) {
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strcpy(b, "ILL_???");
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if (si_code == ILL_ILLOPC) {
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strcpy(b + 4, "ILLOPC"); /* illegal opcode */
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} else if (si_code == ILL_ILLOPN) {
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strcpy(b + 4, "ILLOPN"); /* illegal operand */
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} else if (si_code == ILL_ILLADR) {
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strcpy(b + 4, "ILLADR"); /* illegal addressing mode */
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} else if (si_code == ILL_ILLTRP) {
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strcpy(b + 4, "ILLTRP"); /* illegal trap */
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} else if (si_code == ILL_PRVOPC) {
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strcpy(b + 4, "PRVOPC"); /* privileged opcode */
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} else if (si_code == ILL_PRVREG) {
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strcpy(b + 4, "PRVREG"); /* privileged register */
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} else if (si_code == ILL_COPROC) {
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strcpy(b + 4, "COPROC"); /* coprocessor error */
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} else if (si_code == ILL_BADSTK) {
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strcpy(b + 4, "BADSTK"); /* internal stack error */
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}
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} else if (sig == SIGBUS) {
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strcpy(b, "BUS_???");
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if (si_code == BUS_ADRALN) {
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strcpy(b + 4, "ADRALN"); /* invalid address alignment */
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} else if (si_code == BUS_ADRERR) {
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strcpy(b + 4, "ADRERR"); /* non-existent physical address */
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} else if (si_code == BUS_OBJERR) {
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strcpy(b + 4, "OBJERR"); /* object specific hardware error */
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} else if (si_code == BUS_MCEERR_AR) {
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strcpy(b + 4, "BUS_AR"); /* Linux 2.6.32+ */
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} else if (si_code == BUS_MCEERR_AO) {
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strcpy(b + 4, "BUS_AO"); /* Linux 2.6.32+ */
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}
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} else if (sig == SIGIO) {
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strcpy(b, "POLL_???");
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if (si_code == POLL_IN) {
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strcpy(b + 5, "IN"); /* data input available */
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} else if (si_code == POLL_OUT) {
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strcpy(b + 5, "OUT"); /* output buffer available */
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} else if (si_code == POLL_MSG) {
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strcpy(b + 5, "MSG"); /* input message available */
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} else if (si_code == POLL_ERR) {
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strcpy(b + 5, "ERR"); /* i/o error */
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} else if (si_code == POLL_PRI) {
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strcpy(b + 5, "PRI"); /* high priority input available */
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} else if (si_code == POLL_HUP) {
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strcpy(b + 5, "HUP"); /* device disconnected */
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}
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}
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return b;
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}
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