| 1 | // RUN: %check_clang_tidy %s bugprone-signal-handler %t \ |
|---|
| 2 | // RUN: -config='{CheckOptions: \ |
|---|
| 3 | // RUN: {bugprone-signal-handler.AsyncSafeFunctionSet: "POSIX"}}' \ |
|---|
| 4 | // RUN: -- -isystem %clang_tidy_headers |
|---|
| 5 | |
|---|
| 6 | #include "signal.h" |
|---|
| 7 | #include "stdlib.h" |
|---|
| 8 | #include "stdio.h" |
|---|
| 9 | #include "string.h" |
|---|
| 10 | #include "unistd.h" |
|---|
| 11 | |
|---|
| 12 | void handler_bad(int) { |
|---|
| 13 | printf(format: "1234" ); |
|---|
| 14 | // CHECK-MESSAGES: :[[@LINE-1]]:3: warning: standard function 'printf' may not be asynchronous-safe; calling it from a signal handler may be dangerous [bugprone-signal-handler] |
|---|
| 15 | } |
|---|
| 16 | |
|---|
| 17 | void handler_good(int) { |
|---|
| 18 | abort(); |
|---|
| 19 | _Exit(status: 0); |
|---|
| 20 | _exit(status: 0); |
|---|
| 21 | quick_exit(status: 0); |
|---|
| 22 | signal(sig: 0, SIG_DFL); |
|---|
| 23 | memcpy(dest: (void*)10, src: (const void*)20, n: 1); |
|---|
| 24 | } |
|---|
| 25 | |
|---|
| 26 | void test(void) { |
|---|
| 27 | signal(SIGINT, handler: handler_good); |
|---|
| 28 | signal(SIGINT, handler: handler_bad); |
|---|
| 29 | } |
|---|
| 30 | |
|---|
