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Flock: nicer logging (setting distinct thread ids)

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This commit is contained in:
Maria Matejka 2024-09-19 09:28:27 +02:00
parent 3406590533
commit 37eda0276c
2 changed files with 15 additions and 5 deletions
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18
flock/container.c
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@ -26,6 +26,8 @@ container_mainloop(int fd)
}
}
static uint container_counter = 0;
static void
container_start(void)
{
@ -40,15 +42,19 @@ container_start(void)
pid_t pid = fork();
if (pid < 0)
die("Failed to fork exposed: %m");
die("Failed to fork container: %m");
if (!pid)
{
close(fds[0]);
ASSERT_DIE(container_counter < 0x6000);
this_thread_id -= (container_counter << 1) + 0x3000 ;
container_mainloop(fds[1]); /* this never returns */
bug("container_mainloop has returned");
}
container_counter -= 2;
close(fds[1]);
byte outbuf[128];
@ -135,9 +141,6 @@ hypervisor_container_forker_rx(sock *sk, uint _sz UNUSED)
log(L_INFO "Machine started with PID %d", pid);
u16 port = ntohs(*((u16 *) &buf[3]));
log(L_INFO "RX %d bytes, fd %d, port %u", e, sfd, port);
sock *skl = sk_new(sk->pool);
skl->type = SK_MAGIC;
skl->rx_hook = hypervisor_container_rx;
@ -483,7 +486,7 @@ hypervisor_container_fork(void)
e = fork();
if (e < 0)
die("Failed to fork exposed: %m");
die("Failed to fork container forker: %m");
if (e)
{
@ -512,6 +515,8 @@ hypervisor_container_fork(void)
close(fds[0]);
container_forker_fd = fds[1];
this_thread_id |= 0xf000;
/* initialize the forker */
ctx->lp = lp_new(&root_pool);
ctx->type = 0xff;
@ -522,6 +527,9 @@ hypervisor_container_fork(void)
byte buf[4096];
ssize_t rx = read(fds[1], buf, sizeof buf);
times_update();
if (rx == 0)
{
log(L_INFO "Container forker socket closed, exiting");

2
flock/hypervisor.c
View File

@ -370,6 +370,8 @@ hypervisor_exposed_fork(void)
if (e < 0)
die("Failed to fork exposed: %m");
if (!e) this_thread_id |= 0xe000;
/* Create the communication channel (this runs twice!) */
he.loop = birdloop_new(&root_pool, DOMAIN_ORDER(proto), 0, "Exposed interlink");