diff options
Diffstat (limited to 'gdbstub.c')
| -rw-r--r-- | gdbstub.c | 24 |
1 files changed, 11 insertions, 13 deletions
@@ -398,8 +398,6 @@ static void reset_gdbserver_state(void) bool gdb_has_xml; #ifdef CONFIG_USER_ONLY -/* XXX: This is not thread safe. Do we care? */ -static int gdbserver_fd = -1; static int get_char(void) { @@ -2964,7 +2962,7 @@ void gdb_exit(CPUArchState *env, int code) return; } #ifdef CONFIG_USER_ONLY - if (gdbserver_fd < 0 || gdbserver_state.fd < 0) { + if (gdbserver_state.fd < 0) { return; } #endif @@ -3011,7 +3009,7 @@ gdb_handlesig(CPUState *cpu, int sig) char buf[256]; int n; - if (gdbserver_fd < 0 || gdbserver_state.fd < 0) { + if (!gdbserver_state.init || gdbserver_state.fd < 0) { return sig; } @@ -3060,7 +3058,7 @@ void gdb_signalled(CPUArchState *env, int sig) { char buf[4]; - if (gdbserver_fd < 0 || gdbserver_state.fd < 0) { + if (!gdbserver_state.init || gdbserver_state.fd < 0) { return; } @@ -3068,7 +3066,7 @@ void gdb_signalled(CPUArchState *env, int sig) put_packet(buf); } -static bool gdb_accept(void) +static bool gdb_accept(int gdb_fd) { struct sockaddr_in sockaddr; socklen_t len; @@ -3076,7 +3074,7 @@ static bool gdb_accept(void) for(;;) { len = sizeof(sockaddr); - fd = accept(gdbserver_fd, (struct sockaddr *)&sockaddr, &len); + fd = accept(gdb_fd, (struct sockaddr *)&sockaddr, &len); if (fd < 0 && errno != EINTR) { perror("accept"); return false; @@ -3137,13 +3135,13 @@ static int gdbserver_open(int port) int gdbserver_start(int port) { - gdbserver_fd = gdbserver_open(port); - if (gdbserver_fd < 0) + int gdb_fd = gdbserver_open(port); + if (gdb_fd < 0) { return -1; + } /* accept connections */ - if (!gdb_accept()) { - close(gdbserver_fd); - gdbserver_fd = -1; + if (!gdb_accept(gdb_fd)) { + close(gdb_fd); return -1; } return 0; @@ -3152,7 +3150,7 @@ int gdbserver_start(int port) /* Disable gdb stub for child processes. */ void gdbserver_fork(CPUState *cpu) { - if (gdbserver_fd < 0 || gdbserver_state.fd < 0) { + if (!gdbserver_state.init || gdbserver_state.fd < 0) { return; } close(gdbserver_state.fd); |