DenysMedvid/pdf2htmlEX
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feat: SignalHandler.cc add windows support

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sigaction -> signal
write -> fwrite
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Pid 2024-07-04 17:45:07 +08:00 committed by GitHub
parent 6f85c88b1d
commit e09f0f47f3
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GPG Key ID: B5690EEEBB952194
1 changed files with 38 additions and 1 deletions
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39
pdf2htmlEX/src/util/SignalHandler.cc
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@ -23,8 +23,13 @@ messages when FontForge can't save a file for us.
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#include <string> #include <string>
#ifdef _WIN32
#include <windows.h>
#include <csignal>
#else
#include <unistd.h> #include <unistd.h>
#include <signal.h> #include <signal.h>
#endif
#include "pdf2htmlEX-config.h" #include "pdf2htmlEX-config.h"
#include "util/ffw.h" #include "util/ffw.h"
@ -95,11 +100,31 @@ const char* detailsBody = "no details recorded\n";
const char* pdf2htmlEXTmpDir = NULL; const char* pdf2htmlEXTmpDir = NULL;
const char* ffwAction = NULL; const char* ffwAction = NULL;
#ifndef _WIN32
struct sigaction act; struct sigaction act;
#endif
#pragma GCC diagnostic push #pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-result" #pragma GCC diagnostic ignored "-Wunused-result"
void signalHandler(int sigInt) { void signalHandler(int sigInt) {
#ifdef _WIN32
FILE *stderrFile = stderr;
fwrite(oopsMessage, strlen(oopsMessage), 1, stderrFile);
if (ffwAction) {
fwrite(ffwMessage_1, strlen(ffwMessage_1), 1, stderrFile);
fwrite(ffwAction, strlen(ffwAction), 1, stderrFile);
fwrite(ffwMessage_2, strlen(ffwMessage_2), 1, stderrFile);
fwrite(pdf2htmlEXTmpDir, strlen(pdf2htmlEXTmpDir), 1, stderrFile);
fwrite(ffwMessage_3, strlen(ffwMessage_3), 1, stderrFile);
} else {
fwrite(noFfwMessage, strlen(noFfwMessage), 1, stderrFile);
}
fwrite(detailsHeader, strlen(detailsHeader), 1, stderrFile);
fwrite(detailsBody, strlen(detailsBody), 1, stderrFile);
_exit(-1);
#else
write(STDERR_FILENO, oopsMessage, strlen(oopsMessage) ); write(STDERR_FILENO, oopsMessage, strlen(oopsMessage) );
if (ffwAction) { if (ffwAction) {
@ -115,7 +140,7 @@ void signalHandler(int sigInt) {
write(STDERR_FILENO, detailsHeader, strlen(detailsHeader) ); write(STDERR_FILENO, detailsHeader, strlen(detailsHeader) );
write(STDERR_FILENO, detailsBody, strlen(detailsBody) ); write(STDERR_FILENO, detailsBody, strlen(detailsBody) );
exit(-1); exit(-1);
#endif
} }
#pragma GCC diagnostic pop #pragma GCC diagnostic pop
@ -184,6 +209,17 @@ void setupSignalHandler(
// Now setup the signal handler // Now setup the signal handler
// //
#ifdef _WIN32
signal(SIGILL, signalHandler); // Illegal Instruction
signal(SIGFPE, signalHandler); // Floating-point exception
signal(SIGSEGV, signalHandler); // Invalid memory reference
#ifdef SIGBUS
signal(SIGBUS, signalHandler);
#endif
#ifdef SIGSYS
signal(SIGSYS, signalHandler);
#endif
#else
memset(&act, 0, sizeof(act)); memset(&act, 0, sizeof(act));
act.sa_handler = signalHandler; act.sa_handler = signalHandler;
// //
@ -192,6 +228,7 @@ void setupSignalHandler(
sigaction(SIGSEGV, &act, NULL); // Invalid memory reference sigaction(SIGSEGV, &act, NULL); // Invalid memory reference
sigaction(SIGBUS, &act, NULL); // Bus error (bad memory access) sigaction(SIGBUS, &act, NULL); // Bus error (bad memory access)
sigaction(SIGSYS, &act, NULL); // Bad system call (SVr4) sigaction(SIGSYS, &act, NULL); // Bad system call (SVr4)
#endif
// All done // All done
} }