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implement external interface to library and use it in tests. need to be

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reworked a bit to use file descriptor or buffer provided to callse
This commit is contained in:
nnosov
2020-02-05 12:13:26 +04:00
parent d4e9307fe1
commit 24efc4580b
5 changed files with 142 additions and 68 deletions
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tests/main.cpp
+20 -37
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@@ -1,9 +1,9 @@
//system
#include <stdlib.h>
#include <fcntl.h>
#include <stdint.h>
#include "dwarf/dwarf_handler.h"
#include "context.h"
#include "../include/libpst.h"
typedef enum {
DEF_1 = 1,
@@ -35,6 +35,7 @@ uint32_t Fun1(const int arg1, my_int arg2, uint32_t arg3)
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
typedef void (*sig_handler_t)(int sig);
@@ -59,23 +60,25 @@ void FatalSignalHandler(int sig, siginfo_t* info, void* context)
fatal_error_in_progress = 1;
pst_log(SEVERITY_ERROR, "%s signal handled", strsignal(sig));
bool ret = false;
pst_decl(pst_handler, handler, (ucontext_t*)context);
printf("%s signal handled\n", strsignal(sig));
if((context != 0) && (sig == SIGSEGV || sig == SIGABRT || sig == SIGBUS || sig == SIGFPE))
{
ret = pst_handler_unwind(&handler);
pst_handler* handler = pst_new_handler((ucontext_t*)context);
if(!handler) {
printf("Failed to allocate pst handler\n");
return;
}
int ret = pst_unwind_simple(handler, stdout);
if(!ret) {
pst_unwind_pretty(handler, stdout);
} else {
printf("No stack trace obtained\n");
}
pst_del_handler(handler);
}
if(ret) {
pst_log(SEVERITY_INFO, "%s", handler.ctx.buff);
pst_handler_handle_dwarf(&handler);
pst_handler_print_dwarf(&handler);
pst_log(SEVERITY_INFO, "%s", handler.ctx.buff);
} else {
pst_log(SEVERITY_ERROR, "No stack trace obtained");
}
// comment out line below to prevent coredump
// exit(EXIT_FAILURE);
@@ -90,20 +93,7 @@ void FatalSignalHandler(int sig, siginfo_t* info, void* context)
void SignalHandler(int sig)
{
// if (handled_error_in_progress)
// raise (sig);
// handled_error_in_progress = 1;
// const char* str_sig = strsignal(sig);
// logger->Log(SEVERITY_INFO, "%s received.", str_sig);
if(sig == SIGUSR1) {
pst_log(SEVERITY_INFO, "Maintenance mode enabled.");
} else if(sig == SIGUSR2) {
pst_log(SEVERITY_INFO, "Maintenance mode disabled.");
}
// signal (sig, SIG_DFL);
// raise(sig);
// reset to our handler back
// do nothing and reset to our handler back
SetSignalHandler();
}
@@ -117,7 +107,6 @@ void SetSignalHandler(sig_handler_t handler)
sigfillset(&ss);
//remove previous handlers
// sigdelset(&ss, SIGINT);
sigdelset(&ss, SIGUSR1);
sigdelset(&ss, SIGUSR2);
sigdelset(&ss, SIGSEGV);
@@ -136,10 +125,6 @@ void SetSignalHandler(sig_handler_t handler)
sa.sa_handler = NULL;
sa.sa_sigaction = NULL;
// //set interrupt signal
// sa.sa_handler = SignalHandler;
// sigaction(SIGINT, &sa, 0);
//set stop signal
sa.sa_handler = (handler == NULL) ? SignalHandler : handler;
sigaction(SIGUSR1, &sa, 0);
@@ -176,7 +161,7 @@ void SetSignalHandler(sig_handler_t handler)
limit.rlim_max = 1073741824;
if (setrlimit(RLIMIT_CORE, &limit))
{
pst_log(SEVERITY_DEBUG, "Failed to set limit for core dump file size");
printf("Failed to set limit for core dump file size\n");
}
}
@@ -192,8 +177,6 @@ void ResetSignalHandler() {
int main(int argc, char* argv[])
{
pst_log_init_console(&logger);
//logger->SetCurrentSeverity(SEVERITY_INFO);
SetSignalHandler(SigusrHandler);
Fun1(1, DEF_2, 5);