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Make socket blocking on dbg_sys_getc

This commit is contained in:
Xavier Del Campo Romero 2020-10-26 23:14:30 +01:00
parent 4006528c1a
commit 7cc51241a1
1 changed files with 27 additions and 21 deletions
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48
gdbstub/gdbstub_sys.c
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@ -79,35 +79,39 @@ int dbg_sys_getc(void)
while (1) {
char packet;
size_t len = sizeof packet;
const enum read_socket_err err = ReadSocket(client_socket, &packet, &len);
SetsBlock(client_socket);
{
const enum read_socket_err err = ReadSocket(client_socket, &packet, &len);
#ifdef _POSIX_VERSION
if (exit_loop)
pthread_exit(NULL);
if (exit_loop)
pthread_exit(NULL);
#endif
switch (err) {
case READ_SOCKET_OK:
return packet;
switch (err) {
case READ_SOCKET_OK:
return packet;
case READ_SOCKET_SHUTDOWN: {
struct msg msg;
case READ_SOCKET_SHUTDOWN: {
struct msg msg;
printf("gdb shutdown\n");
client_socket = 0;
msg.type = MSG_TYPE_SHUTDOWN;
printf("gdb shutdown\n");
client_socket = 0;
msg.type = MSG_TYPE_SHUTDOWN;
if (mq_send(out_queue, (const char *)&msg, sizeof msg, 0))
perror("dbg_sys_getc() mq_send()");
return EOF;
if (mq_send(out_queue, (const char *)&msg, sizeof msg, 0))
perror("dbg_sys_getc() mq_send()");
return EOF;
}
case READ_SOCKET_ERR_RECV:
SetsBlock(client_socket);
/* Fall through. */
case READ_SOCKET_ERR_INVALID_ARG:
/* Fall through. */
default:
break;
}
case READ_SOCKET_ERR_INVALID_ARG:
/* Fall through. */
case READ_SOCKET_ERR_RECV:
/* Fall through. */
default:
break;
}
}
}
@ -138,6 +142,8 @@ static int wait_hit_or_break(struct msg *msg)
if (exit_loop)
return 1;
SetsNonblock(client_socket);
if (ret < 0 && errno == EAGAIN) {
/* Breakpoint has not been hit yet, look for incoming messages from gdb. */
char packet;