35 lines
972 B
C
35 lines
972 B
C
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// RUN: %check_clang_tidy %s bugprone-signal-handler %t \
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// RUN: -config='{CheckOptions: \
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// RUN: {bugprone-signal-handler.AsyncSafeFunctionSet: "minimal"}}' \
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// RUN: -- -isystem %clang_tidy_headers
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#include "signal.h"
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#include "stdlib.h"
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#include "string.h"
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#include "unistd.h"
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void handler_bad1(int) {
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_exit(0);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: standard function '_exit' may not be asynchronous-safe; calling it from a signal handler may be dangerous [bugprone-signal-handler]
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}
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void handler_bad2(int) {
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void *dst;
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const void *src;
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memcpy(dst, src, 10);
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// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: standard function 'memcpy' may not be asynchronous-safe; calling it from a signal handler may be dangerous [bugprone-signal-handler]
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}
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void handler_good(int) {
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abort();
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_Exit(0);
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quick_exit(0);
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signal(0, SIG_DFL);
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}
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void test(void) {
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signal(SIGINT, handler_bad1);
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signal(SIGINT, handler_bad2);
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signal(SIGINT, handler_good);
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}
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