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website with slop placeholders

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udo
2026-04-22 13:31:51 +00:00
parent 14ebf10a22
commit 223cf4c6e1
336 changed files with 66009 additions and 116 deletions
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src/lib/sys.cpp
+25 -8
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@@ -1,4 +1,3 @@
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
@@ -10,6 +9,12 @@
#include <sys/file.h>
#include "sys.h"
namespace {
constexpr f64 FILE_LOCK_WAIT_TIMEOUT_SECONDS = 3.0;
}
String capture_backtrace_string(u32 max_frames, u32 skip_frames)
{
if(max_frames == 0)
@@ -188,12 +193,15 @@ bool file_exists(String path)
return(std::filesystem::exists(fp));
}
int file_open_locked(String file_name, int open_flags, int lock_type, int create_mode)
int file_open_locked(String file_name, int open_flags, int lock_type, int create_mode, f64 wait_timeout_seconds, String purpose)
{
(void)wait_timeout_seconds;
(void)purpose;
int fd = open(file_name.c_str(), open_flags, create_mode);
if(fd == -1)
return(-1);
if(flock(fd, lock_type) == -1)
fcntl(fd, F_SETFD, FD_CLOEXEC);
if(flock(fd, lock_type) != 0)
{
close(fd);
return(-1);
@@ -209,6 +217,11 @@ void file_close_locked(int fd)
close(fd);
}
void file_release_process_locks(String reason)
{
(void)reason;
}
String file_get_contents_locked_fd(int fd)
{
if(fd == -1)
@@ -254,7 +267,7 @@ bool file_put_contents_locked_fd(int fd, String content)
String file_get_contents(String file_name)
{
s32 fd = file_open_locked(file_name, O_RDONLY, LOCK_SH);
s32 fd = file_open_locked(file_name, O_RDONLY, LOCK_SH, 0644, FILE_LOCK_WAIT_TIMEOUT_SECONDS, "file_get_contents:" + file_name);
if(fd == -1)
{
printf("(!) Could not read %s\n", file_name.c_str());
@@ -267,7 +280,7 @@ String file_get_contents(String file_name)
bool file_put_contents(String file_name, String content)
{
s32 fd = file_open_locked(file_name, O_RDWR | O_CREAT, LOCK_EX, 0644);
s32 fd = file_open_locked(file_name, O_RDWR | O_CREAT, LOCK_EX, 0644, FILE_LOCK_WAIT_TIMEOUT_SECONDS, "file_put_contents:" + file_name);
if(fd == -1)
{
printf("(!) Could not write %s\n", file_name.c_str());
@@ -285,7 +298,7 @@ bool file_put_contents(String file_name, String content)
bool file_append_contents(String file_name, String content)
{
s32 fd = file_open_locked(file_name, O_RDWR | O_CREAT, LOCK_EX, 0644);
s32 fd = file_open_locked(file_name, O_RDWR | O_CREAT, LOCK_EX, 0644, FILE_LOCK_WAIT_TIMEOUT_SECONDS, "file_append:" + file_name);
if(fd == -1)
{
printf("(!) Could not append %s\n", file_name.c_str());
@@ -583,6 +596,7 @@ pid_t spawn_subprocess(std::function<void()> exec_after_spawn)
p = fork();
if(p == 0)
{
file_release_process_locks("fork child startup");
my_pid = getpid();
//printf("(C) child procress started, PID:%i\n", my_pid);
prctl(PR_SET_PDEATHSIG, SIGHUP);
@@ -629,7 +643,9 @@ pid_t task(String key, std::function<void()> exec_after_spawn, u64 timeout)
{
String status_file_name = context->server->config["BIN_DIRECTORY"] + "/task-" + key;
String lock_file_name = status_file_name + ".lock";
int lock_fd = file_open_locked(lock_file_name, O_RDWR | O_CREAT, LOCK_EX, 0644);
int lock_fd = file_open_locked(lock_file_name, O_RDWR | O_CREAT, LOCK_EX, 0644, FILE_LOCK_WAIT_TIMEOUT_SECONDS, "task:" + key);
if(lock_fd == -1)
return(0);
String status_file = file_get_contents(status_file_name);
pid_t p;
if(status_file != "")
@@ -647,6 +663,7 @@ pid_t task(String key, std::function<void()> exec_after_spawn, u64 timeout)
p = fork();
if(p == 0)
{
file_release_process_locks("task child startup");
file_close_locked(lock_fd);
my_pid = getpid();
@@ -655,7 +672,7 @@ pid_t task(String key, std::function<void()> exec_after_spawn, u64 timeout)
//printf("(C) child procress started, PID:%i\n", my_pid);
//prctl(PR_SET_PDEATHSIG, SIGHUP);
exec_after_spawn();
int exit_lock_fd = file_open_locked(lock_file_name, O_RDWR | O_CREAT, LOCK_EX, 0644);
int exit_lock_fd = file_open_locked(lock_file_name, O_RDWR | O_CREAT, LOCK_EX, 0644, FILE_LOCK_WAIT_TIMEOUT_SECONDS, "task-exit:" + key);
file_unlink(status_file_name);
file_close_locked(exit_lock_fd);
printf("(P) worker process '%s' terminated: PID %i\n", key.c_str(), my_pid);