summaryrefslogtreecommitdiffhomepage
path: root/src/go/unit/nxt_go_process.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/go/unit/nxt_go_process.c')
-rw-r--r--src/go/unit/nxt_go_process.c148
1 files changed, 0 insertions, 148 deletions
diff --git a/src/go/unit/nxt_go_process.c b/src/go/unit/nxt_go_process.c
deleted file mode 100644
index bb2d279c..00000000
--- a/src/go/unit/nxt_go_process.c
+++ /dev/null
@@ -1,148 +0,0 @@
-
-/*
- * Copyright (C) Max Romanov
- * Copyright (C) NGINX, Inc.
- */
-
-#include "nxt_go_process.h"
-#include "nxt_go_array.h"
-#include "nxt_go_mutex.h"
-#include "nxt_go_log.h"
-#include "nxt_go_port_memory.h"
-
-#include <nxt_port_memory_int.h>
-
-
-static nxt_array_t processes; /* of nxt_go_process_t */
-
-static nxt_go_process_t *
-nxt_go_find_process(nxt_pid_t pid, uint32_t *pos)
-{
- uint32_t l, r, i;
- nxt_go_process_t *process;
-
- if (nxt_slow_path(processes.size == 0)) {
- nxt_go_array_init(&processes, 1, sizeof(nxt_go_process_t));
- }
-
- l = 0;
- r = processes.nelts;
- i = (l + r) / 2;
-
- while (r > l) {
- process = nxt_go_array_at(&processes, i);
-
- nxt_go_debug("compare process #%d (%p) at %d",
- (int) process->pid, process, (int) i);
-
- if (pid == process->pid) {
- nxt_go_debug("found process %d at %d", (int) pid, (int) i);
-
- if (pos != NULL) {
- *pos = i;
- }
-
- return process;
- }
-
- if (pid < process->pid) {
- r = i;
-
- } else {
- l = i + 1;
- }
-
- i = (l + r) / 2;
- }
-
- if (pos != NULL) {
- *pos = i;
- }
-
- nxt_go_debug("process %d not found, best pos %d", (int) pid, (int) i);
-
- return NULL;
-}
-
-
-nxt_go_process_t *
-nxt_go_get_process(nxt_pid_t pid)
-{
- uint32_t pos;
- nxt_go_process_t *process;
-
- process = nxt_go_find_process(pid, &pos);
-
- if (process == NULL) {
- nxt_go_array_add(&processes);
- process = nxt_go_array_at(&processes, pos);
-
- nxt_go_debug("init process #%d (%p) at %d",
- (int) pid, process, (int) pos);
-
- if (pos < processes.nelts - 1) {
- memmove(process + 1, process,
- processes.size * (processes.nelts - 1 - pos));
- }
-
- process->pid = pid;
- nxt_go_mutex_create(&process->incoming_mutex);
- nxt_go_array_init(&process->incoming, 1, sizeof(nxt_go_port_mmap_t));
- nxt_go_mutex_create(&process->outgoing_mutex);
- nxt_go_array_init(&process->outgoing, 1, sizeof(nxt_go_port_mmap_t));
- }
-
- return process;
-}
-
-
-void
-nxt_go_new_incoming_mmap(nxt_pid_t pid, nxt_fd_t fd)
-{
- void *mem;
- struct stat mmap_stat;
- nxt_go_process_t *process;
- nxt_go_port_mmap_t *port_mmap;
-
- process = nxt_go_get_process(pid);
-
- nxt_go_debug("got new mmap fd #%d from process %d",
- (int) fd, (int) pid);
-
- if (fstat(fd, &mmap_stat) == -1) {
- nxt_go_warn("fstat(%d) failed %d", (int) fd, errno);
-
- return;
- }
-
- nxt_go_mutex_lock(&process->incoming_mutex);
-
- port_mmap = nxt_go_array_zero_add(&process->incoming);
- if (nxt_slow_path(port_mmap == NULL)) {
- nxt_go_warn("failed to add mmap to incoming array");
-
- goto fail;
- }
-
- mem = mmap(NULL, mmap_stat.st_size,
- PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
-
- if (nxt_slow_path(mem == MAP_FAILED)) {
- nxt_go_warn("mmap() failed %d", errno);
-
- goto fail;
- }
-
- port_mmap->hdr = mem;
-
- if (nxt_slow_path(port_mmap->hdr->id != process->incoming.nelts - 1)) {
- nxt_go_warn("port mmap id mismatch (%d != %d)",
- port_mmap->hdr->id, process->incoming.nelts - 1);
- }
-
- port_mmap->hdr->sent_over = 0xFFFFu;
-
-fail:
-
- nxt_go_mutex_unlock(&process->incoming_mutex);
-}