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Kovid Goyal
2022-07-02 13:29:44 +05:30
parent 81e6afa9b3
commit 2525994db4
1 changed files with 8 additions and 8 deletions
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16
prewarm-launcher.h
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@@ -319,22 +319,22 @@ send_launch_msg(void) {
static void static void
loop(void) { loop(void) {
#define fail(s) { print_error(s, errno); return; } #define fail(s) { print_error(s, errno); return; }
#define check_fd(which, name) { if (poll_data[which].revents & POLLERR) { pe("File descriptor %s failed", #name); return; } if (poll_data[which].revents & POLLHUP); { pe("File descriptor %s hungup", #name); return; } } #define check_fd(which, name) { if (poll_data[which].revents & POLLERR) { pe("File descriptor %s failed", #name); return; } if (poll_data[which].revents & POLLHUP) { pe("File descriptor %s hungup", #name); return; } }
struct pollfd poll_data[4]; struct pollfd poll_data[4];
poll_data[0].fd = self_ttyfd; poll_data[0].events = POLLIN; poll_data[0].fd = self_ttyfd; poll_data[0].events = POLLIN;
poll_data[1].fd = child_master_fd; poll_data[1].events = POLLIN; poll_data[1].fd = child_master_fd; poll_data[1].events = POLLIN;
poll_data[2].fd = socket_fd; poll_data[2].events = POLLIN; poll_data[2].fd = socket_fd; poll_data[2].events = POLLIN;
poll_data[3].fd = signal_read_fd; poll_data[3].events = POLLIN; poll_data[3].fd = signal_read_fd; poll_data[3].events = POLLIN;
while (true) { while (true) {
int ret;
poll_data[2].events = POLLIN | (launch_msg.iov_len ? POLLOUT : 0); poll_data[2].events = POLLIN | (launch_msg.iov_len ? POLLOUT : 0);
for (size_t i = 0; i < arraysz(poll_data); i++) poll_data[i].revents = 0; for (size_t i = 0; i < arraysz(poll_data); i++) poll_data[i].revents = 0;
while (poll(poll_data, arraysz(poll_data), -1) == -1) { if (errno != EINTR) fail("poll() failed"); } while ((ret = poll(poll_data, arraysz(poll_data), -1)) == -1) { if (errno != EINTR) fail("poll() failed"); }
if (!ret) continue;
check_fd(0, self_ttyfd); check_fd(0, self_ttyfd); check_fd(1, child_master_fd); check_fd(3, signal_read_fd);
check_fd(1, child_master_fd);
check_fd(3, signal_read_fd);
// socket_fd // socket_fd
if (poll_data[2].revents & POLLERR) { if (poll_data[2].revents & POLLERR) {