dhcpcd: fix 'dhcpcd_open: Bad File Descriptor' with dhcpcd-qt.
This commit is contained in:
tibequadorian
Leah Neukirchen
parent
d7ca644841
commit
bd4502aac8
150
srcpkgs/dhcpcd/patches/revert-eloop.patch
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150
srcpkgs/dhcpcd/patches/revert-eloop.patch
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@ -0,0 +1,150 @@
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From 2b4fe4c12b5d4366ff21fabf3a6c3799f8e4fa53 Mon Sep 17 00:00:00 2001
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From: Roy Marples <roy@marples.name>
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Date: Fri, 12 Nov 2021 16:24:32 +0000
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Subject: [PATCH] Revert "eloop: Allow eloop to process all fds returned from
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poll(2)"
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This stops dumping leases when privsep is compiled out.
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This change works fine on master, but we also have eloop using
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more of a native poll(2) style interface.
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Easier for now to just revert this on the dhcpcd-9 branch.
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This reverts commit fe2b82eec25da908c3a1a71c2dc2402d9ff70e31.
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---
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src/eloop.c | 56 ++++++++++++++++-------------------------------------
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1 file changed, 17 insertions(+), 39 deletions(-)
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diff --git a/src/eloop.c b/src/eloop.c
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index a6ab43fb..c3330817 100644
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--- a/src/eloop.c
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+++ b/src/eloop.c
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@@ -32,7 +32,6 @@
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#include <errno.h>
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#include <limits.h>
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#include <poll.h>
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-#include <stdbool.h>
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#include <signal.h>
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#include <stdint.h>
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#include <stdlib.h>
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@@ -137,7 +136,6 @@ struct eloop {
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TAILQ_HEAD (event_head, eloop_event) events;
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size_t nevents;
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struct event_head free_events;
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- bool events_need_setup;
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struct timespec now;
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TAILQ_HEAD (timeout_head, eloop_timeout) timeouts;
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@@ -284,16 +282,11 @@ eloop_reduce_timers(struct eloop *eloop)
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static void
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eloop_event_setup_fds(struct eloop *eloop)
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{
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- struct eloop_event *e, *ne;
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+ struct eloop_event *e;
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struct pollfd *pfd;
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pfd = eloop->fds;
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- TAILQ_FOREACH_SAFE(e, &eloop->events, next, ne) {
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- if (e->fd == -1) {
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- TAILQ_REMOVE(&eloop->events, e, next);
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- TAILQ_INSERT_TAIL(&eloop->free_events, e, next);
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- continue;
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- }
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+ TAILQ_FOREACH(e, &eloop->events, next) {
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#ifdef ELOOP_DEBUG
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fprintf(stderr, "%s(%d) fd=%d, rcb=%p, wcb=%p\n",
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__func__, getpid(), e->fd, e->read_cb, e->write_cb);
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@@ -308,7 +301,6 @@ eloop_event_setup_fds(struct eloop *eloop)
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pfd->revents = 0;
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pfd++;
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}
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- eloop->events_need_setup = false;
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}
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size_t
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@@ -376,8 +368,7 @@ eloop_event_add_rw(struct eloop *eloop, int fd,
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}
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setup:
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- e->pollfd = NULL;
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- eloop->events_need_setup = true;
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+ eloop_event_setup_fds(eloop);
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return 0;
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}
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@@ -403,10 +394,6 @@ eloop_event_delete_write(struct eloop *eloop, int fd, int write_only)
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struct eloop_event *e;
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assert(eloop != NULL);
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- if (fd == -1) {
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- errno = EINVAL;
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- return -1;
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- }
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TAILQ_FOREACH(e, &eloop->events, next) {
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if (e->fd == fd)
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@@ -422,17 +409,16 @@ eloop_event_delete_write(struct eloop *eloop, int fd, int write_only)
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goto remove;
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e->write_cb = NULL;
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e->write_cb_arg = NULL;
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- if (e->pollfd != NULL) {
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- e->pollfd->events &= ~POLLOUT;
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- e->pollfd->revents &= ~POLLOUT;
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- }
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- return 1;
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+ goto done;
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}
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remove:
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- e->fd = -1;
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+ TAILQ_REMOVE(&eloop->events, e, next);
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+ TAILQ_INSERT_TAIL(&eloop->free_events, e, next);
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eloop->nevents--;
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- eloop->events_need_setup = true;
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+
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+done:
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+ eloop_event_setup_fds(eloop);
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return 1;
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}
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@@ -750,9 +736,6 @@ eloop_start(struct eloop *eloop, sigset_t *signals)
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} else
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tsp = NULL;
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- if (eloop->events_need_setup)
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- eloop_event_setup_fds(eloop);
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-
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n = ppoll(eloop->fds, (nfds_t)eloop->nevents, tsp, signals);
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if (n == -1) {
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if (errno == EINTR)
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@@ -763,23 +746,18 @@ eloop_start(struct eloop *eloop, sigset_t *signals)
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continue;
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TAILQ_FOREACH(e, &eloop->events, next) {
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- /* Skip freshly added events */
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- if (e->pollfd == NULL)
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- continue;
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- if (e->pollfd->revents)
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- n--;
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- if (e->fd != -1 && e->pollfd->revents & POLLOUT) {
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- if (e->write_cb != NULL)
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+ if (e->pollfd->revents & POLLOUT) {
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+ if (e->write_cb != NULL) {
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e->write_cb(e->write_cb_arg);
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+ break;
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+ }
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}
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- if (e->fd != -1 &&
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- e->pollfd != NULL && e->pollfd->revents)
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- {
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- if (e->read_cb != NULL)
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+ if (e->pollfd->revents) {
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+ if (e->read_cb != NULL) {
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e->read_cb(e->read_cb_arg);
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+ break;
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+ }
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}
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- if (n == 0)
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- break;
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}
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}
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@ -1,7 +1,7 @@
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# Template file for 'dhcpcd'
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pkgname=dhcpcd
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version=9.4.1
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revision=1
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revision=2
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build_style=configure
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make_check_target=test
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configure_args="
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