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@@ -83,6 +83,50 @@ static void install_crash_handler() {
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_set_abort_behavior(0, _CALL_REPORTFAULT);
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signal(SIGABRT, abort_handler);
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}
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+#elif GPR_POSIX_CRASH_HANDLER
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+#include <execinfo.h>
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+#include <stdio.h>
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+#include <string.h>
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+#include <grpc/support/useful.h>
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+
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+static char g_alt_stack[8192];
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+
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+#define MAX_FRAMES 32
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+
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+static void crash_handler(int signum, siginfo_t *info, void *data) {
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+ void *addrlist[MAX_FRAMES + 1];
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+ int addrlen;
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+ int i;
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+ char **symlist;
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+
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+ fprintf(stderr, "Caught signal %d\n", signum);
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+ addrlen = backtrace(addrlist, GPR_ARRAY_SIZE(addrlist));
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+
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+ symlist = backtrace_symbols(addrlist, addrlen);
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+ for (i = 0; i < addrlen; i++) {
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+ fprintf(stderr, " %s\n", symlist[i]);
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+ }
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+ free(symlist);
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+
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+ raise(signum);
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+}
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+
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+static void install_crash_handler() {
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+ stack_t ss;
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+ struct sigaction sa;
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+ memset(&ss, 0, sizeof(ss));
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+ memset(&sa, 0, sizeof(sa));
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+ ss.ss_size = sizeof(g_alt_stack);
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+ ss.ss_sp = g_alt_stack;
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+ GPR_ASSERT(sigaltstack(&ss, NULL) == 0);
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+ sa.sa_flags = (int)(SA_SIGINFO | SA_ONSTACK | SA_RESETHAND);
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+ sa.sa_sigaction = crash_handler;
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+ GPR_ASSERT(sigaction(SIGILL, &sa, NULL) == 0);
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+ GPR_ASSERT(sigaction(SIGABRT, &sa, NULL) == 0);
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+ GPR_ASSERT(sigaction(SIGBUS, &sa, NULL) == 0);
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+ GPR_ASSERT(sigaction(SIGSEGV, &sa, NULL) == 0);
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+ GPR_ASSERT(sigaction(SIGSTKFLT, &sa, NULL) == 0);
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+}
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#else
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static void install_crash_handler() {}
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#endif
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Craig Tiller