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74 Commits

Author SHA1 Message Date
Glenn Strauss 2b4166fb74 [core] fdevent_dup_cloexec() 2020-10-11 12:19:27 -04:00
Glenn Strauss 771ebd39a9 [core] fdevent_load_file_bytes() 
wrapper to load defined number of bytes from file at given offset
 2020-10-11 12:19:27 -04:00
Glenn Strauss be6da785c5 [mod_deflate] deflate.cache-dir compressed cache 
(achieves feature parity with mod_compress)
 2020-08-02 06:46:22 -04:00
Glenn Strauss 2781a3be6d [multiple] address coverity warnings 2020-07-10 21:34:28 -04:00
Glenn Strauss cc04468762 [core] fdevent_load_file() shared code 2020-07-08 22:51:32 -04:00
Glenn Strauss 95b2774863 [core] skip excess close() when FD_CLOEXEC defined 
do not run through close() loop after fork() and before execve()
when FD_CLOEXEC is defined
 2020-07-08 19:54:30 -04:00
Glenn Strauss 3f7779d247 [core] restart dead piped loggers every 64 sec 
(when piped logger exited too quickly after being restarted
 and when server.max-worker = 0)
 2020-07-08 19:54:29 -04:00
Glenn Strauss 8588772caa [core] isolate fdevent subsystem 
fdevent.c no longer directly uses struct server *srv
srv->srvconf.max_fds (if set) is used to set rlimits
set max_conns in server.c after fdevent_init(), which sets srv->max_fds
  using srv->srvconf.max_fds (if set) as input hint
 2020-07-08 19:54:29 -04:00
Glenn Strauss 48004c6a7c [core] remove unused arg to fdevent_fcntl_set_nb* 2020-07-08 19:54:29 -04:00
Glenn Strauss 3cd74a16a2 [core] fdevent uses uint32_t instead of size_t 2020-07-08 19:54:29 -04:00
Glenn Strauss 010c28949c [multiple] prefer (connection *) to (srv *) 
convert all log_error_write() to log_error() and pass (log_error_st *)

use con->errh in preference to srv->errh (even though currently same)

avoid passing (server *) when previously used only for logging (errh)
 2020-07-08 19:54:28 -04:00
Glenn Strauss ed62e354ff [core] use config_plugin_values_init() 2020-07-08 18:08:51 -04:00
Glenn Strauss 12aa0f4c91 [core] save errno before logging if execve() fails 
(fdevent_fork_execve())
 2020-01-26 00:41:06 -05:00
Glenn Strauss fce489b806 [core] fall back to accept() if accept4() EPERM (fixes #2998) 
On some architectures, accept4() might result in EPERM depending
on Linux kernel and/or glibc support for accept4()

(thx alex-che)

x-ref:
  "accept4 returns EPERM instead of ENOSYS on some platforms"
  https://redmine.lighttpd.net/issues/2998
 2020-01-26 00:41:05 -05:00
Glenn Strauss c6b46da2c9 [core] retry on some fdevent set/del temporary err 2019-09-07 12:22:04 -04:00
Glenn Strauss a78404cfbf [core] fdevent_mkstemp_append() (shared) 2019-03-16 01:38:29 -04:00
Glenn Strauss 37bd124ae4 [core] pass conf.follow_symlink in more places 2019-03-10 23:22:58 -04:00
Glenn Strauss 1fb0d7e295 [core] no SOCK_NONBLOCK on QNX 7.0 
QNX 7.0 has SOCK_CLOEXEC but not SOCK_NONBLOCK

(thx supergaute)

github: closes #98

x-ref:
  "Fix compile error when system has SOCK_CLOEXEC but not SOCK_NONBLOCK"
  https://github.com/lighttpd/lighttpd1.4/pull/98
 2019-03-07 00:32:17 -05:00
Glenn Strauss 9113011d5b [core] pass (fdnode *) for registered fdevent fd 
inline fdevent_fdnode_interest()
avoid array lookup for (fdnode *) for various ops
 2019-03-07 00:32:17 -05:00
Glenn Strauss d76756ca10 [core] perf: pass (fdnode *) to epoll and kqueue 2019-03-07 00:32:17 -05:00
Glenn Strauss 41384a3657 [core] isolate fdevent processing 2019-03-07 00:32:17 -05:00
Glenn Strauss 800e9b7349 [core] remove fde_ndx member outside fdevents 
(isolated to fdevent framework internals)
 2019-03-07 00:32:17 -05:00
Glenn Strauss 0a46f7ec23 [core] some fdevent code streamlining 
isolate fde_ndx to fdevent framework internals
 2019-03-07 00:32:17 -05:00
Glenn Strauss fc914ae442 [core] map FDEVENT_* to OS system event frameworks 
(avoid need to translate event flags between OS and lighttpd FDEVENT_*)
 2019-02-17 18:35:05 -05:00
Glenn Strauss f5f221eda8 [core] dispatch events from within event framework 
event framework now calls interface to dispatch events rather than
itself implementing multiple interfaces for fdevent_process() to
be able to dispatch events generically.
 2019-02-13 21:34:59 -05:00
Glenn Strauss 653b0dac7c [core] fdevent_process() 
process fdevents in fdevent.c
 2019-02-04 03:01:33 -05:00
Glenn Strauss 78024584bb [core] check if SOCK_NONBLOCK is ignored (fixes #2883) 
x-ref:
  "fdevent_init should check if SOCK_NONBLOCK works"
  https://redmine.lighttpd.net/issues/2883
 2018-08-05 03:44:15 -04:00
Glenn Strauss 04d76e7afd [core] some header cleanup 
provide standard types in first.h instead of base.h
provide lighttpd types in base_decls.h instead of settings.h
reduce headers exposed by headers for core data structures
  do not expose <pcre.h> or <stdlib.h> in headers
move stat_cache_entry to stat_cache.h
reduce use of "server.h" and "base.h" in headers
 2018-04-08 22:22:23 -04:00
Glenn Strauss d400f8aac5 [core] fdevent_accept_listenfd() nonblock cloexec 
fdevent_accept_listenfd() now always returns fd O_NONBLOCK O_CLOEXEC
for consistency, rather than setting elsewhere in connection_accepted()

Handle older Linux 2.6 kernels which might have accept4() in glibc,
but return ENOSYS, as accept4() was not added until Linux kernel 2.6.28.
 2018-03-25 00:59:48 -04:00
Glenn Strauss b9df146b3c [core] non-blocking write() to piped loggers 
If pipe fills and would block, then discard remaining write.
Do not block lighttpd if the logger blocks, such as if disk fills up.
 2018-01-02 21:01:41 -05:00
Glenn Strauss 84b5064dc4 [core] discard from socket using recv MSG_TRUNC 
discard from socket using recv MSG_TRUNC on Linux TCP SOCK_STREAM socket

Currently, lighttpd supports only TCP SOCK_STREAM.  If UDP SOCK_DGRAM
were to be supported in the future, then socket type will need to be
stored so that MSG_TRUNC is used appropriately for the desired effect.

To find out socket type on arbitrary socket fd:
  getsockopt(..., SOL_SOCKET, SO_TYPE, ...)
but better to store it with each listening socket.
 2017-12-11 21:35:31 -05:00
Glenn Strauss d5d0258362 [core] support POLLRDHUP, where available (#2743) 
x-ref:
  "mod_cgi, lighty not killing CGI if connection in the other end is closed"
  https://redmine.lighttpd.net/boards/2/topics/5962
  "1.4.40/41 mod_proxy, mod_scgi may trigger POLLHUP on *BSD,Darwin"
  https://redmine.lighttpd.net/issues/2743
 2017-11-19 12:01:09 -05:00
Glenn Strauss 8f3bbd7f13 [core] isolate backend fdevent handler defs 2017-11-03 23:02:08 -04:00
Glenn Strauss 168f67a1b1 [core] perf: more efficient fdevent_sched_run() 
perf: more efficient fdevent_sched_run() over fds pending close
 2017-10-21 12:34:17 -04:00
Glenn Strauss 93e91954a7 [core] fdevent setsockopt() helper functions 
fdevent_set_tcp_nodelay()
fdevent_set_so_reuseaddr()
 2017-09-23 10:30:08 -04:00
Glenn Strauss 9030cfaecf [core] SIGCHLD handle_waitpid hook for modules 
centralize most waitpid() handling in core server, with hooks for
modules to be informed of pid and status when a process exits.

This enables faster discovery (and restart) of exited processes,
and also allows for lighttpd to manage backend processes in the
parent (master) process when server.max-worker > 0.
 2017-09-10 16:24:34 -04:00
Glenn Strauss d4a37a3bbb [core] remove fdevent fcntl_set hook 
(could have been removed in 2010 with commit 38f2d1dd
 which removed fdevent_linux_rtsig.c)
 2017-07-29 00:36:48 -04:00
Glenn Strauss adeec956c3 [core] restart piped loggers if they exit (fixes #1393) 
x-ref:
  "access log pipe writer should restart child process if it exits"
  https://redmine.lighttpd.net/issues/1393
 2017-07-23 19:02:31 -04:00
Glenn Strauss ad7d6a6b15 [core] fdevent_cycle_logger() 
fdevent_cycle_logger() re-opens log files before closing existing fd
 2017-07-23 19:02:31 -04:00
Glenn Strauss 91d14acfc3 [core] fdevent_connect_status() shared code 2017-07-15 22:42:15 -04:00
Glenn Strauss 9e75b81982 [core] reduce exposure of unistd.h, other includes 
reduce exposure of unistd.h, and some other include cleanup
 2017-07-15 22:42:15 -04:00
Glenn Strauss 685cab057e [core] rename fd_close_on_exec() 
rename fd_close_on_exec() to fdevent_setfd_cloexec()
 2017-07-15 22:42:15 -04:00
Glenn Strauss a9970fec23 [core] consolidate fork()/execve() code (#1393) 
(refactoring work to address issue #1393)

x-ref:
  "access log pipe writer should restart child process if it exits"
  https://redmine.lighttpd.net/issues/1393
 2017-07-15 22:42:15 -04:00
Glenn Strauss 6f88c28c44 [core] fix compiler warnings on Mac OS X 
(thx wardw)
 2017-06-13 08:56:13 -04:00
Glenn Strauss 69aeaf2fad [mod_proxy] fix typo identified by coverity 
fix mod_proxy.c typo identified by coverity
silence some warnings checking return values of fcntl() in fdevent.c
 2017-05-15 23:59:22 -04:00
Glenn Strauss 8641d1b03f [core] no SOCK_CLOEXEC on Linux kernel < 2.6.27 
Linux kernels < 2.6.27 (old!) might return EINVAL if SOCK_CLOEXEC used

x-ref:
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=529929
  http://www.linksysinfo.org/index.php?threads/lighttpd-no-longer-starts-toastman-1-28-0510-7.73132/
 2017-04-15 17:46:25 -04:00
Glenn Strauss 4796313efc [core] collect ioctl FIONREAD code 
include <sys/ioctl.h> in files which use ioctl()
  instead of exposing header in local header "sys-socket.h"
 2017-03-28 02:17:33 -04:00
Glenn Strauss ba953cdf45 [core] include "fdevent.h" where needed 
(instead of providing #include "fdevent.h" in base.h)
 2017-03-28 02:17:33 -04:00
Glenn Strauss a53f662a30 [core] remove some unused header includes 
remove exposure of stdio.h in buffer.h for print_backtrace(), now static
 2017-03-28 02:17:33 -04:00
Glenn Strauss 3399b0dd16 [core] default server.max-fds=4096 if unspecified (#2789) 
x-ref:
  "lighttpd cores on AIX when nofiles is unlimited"
  https://redmine.lighttpd.net/issues/2789
 2017-02-28 11:34:04 -05:00