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read packet waits, sends sigterm on ctrl-c. not yet done for windows

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Srimanta Barua 2017-08-15 11:31:47 +05:30 committed by radare
parent 746eb01344
commit 9f02ca3af0
1 changed files with 49 additions and 3 deletions
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52
shlr/gdb/src/gdbclient/core.c
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@ -17,6 +17,10 @@
#include <termios.h>
#endif
#if __UNIX__ || __CYGWIN__
#include <signal.h>
#endif
extern char hex2char(char *hex);
static int set_interface_attribs (int fd, int speed, int parity) {
@ -807,6 +811,28 @@ int test_command(libgdbr_t *g, const char *command) {
return 0;
}
static libgdbr_t *cur_desc = NULL;
#if __WINDOWS__ && !__CYGWIN__
static HANDLE h;
static BOOL __w32_signal(DWORD type) {
if (type == CTRL_C_EVENT) {
if (cur_desc) {
r_socket_write (cur_desc->sock, "\x03", 1);
}
return true;
}
return false;
}
#elif __UNIX__ || __CYGWIN__
static void _sigint_handler(int signo) {
if (cur_desc) {
r_socket_write (cur_desc->sock, "\x03", 1);
}
}
#endif
int send_vcont(libgdbr_t *g, const char *command, const char *thread_id) {
char tmp[255] = {0};
int ret;
@ -867,9 +893,29 @@ int send_vcont(libgdbr_t *g, const char *command, const char *thread_id) {
if (ret < 0) {
return ret;
}
if (read_packet (g) < 0 && read_packet (g) < 0) {
// First read for Qemu might fail, hence second read
return -1;
// Temporarily set signal handler
cur_desc = g;
#if __WINDOWS__ && !__CYGWIN__
// TODO
#elif __UNIX__ || __CYGWIN__
signal (SIGINT, _sigint_handler);
#endif
while ((ret = read_packet (g)) < 0) {}
// Unset signal handler
#if __WINDOWS__ && !__CYGWIN__
// TODO
#elif __UNIX__ || __CYGWIN__
signal (SIGINT, SIG_IGN);
#endif
cur_desc = NULL;
if (ret < 0) {
if (read_packet (g) < 0) {
return -1;
}
}
return handle_cont (g);
}