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From 513200cf76758de4668312c628d6362bdabfaf4b Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Thu, 25 May 2017 19:30:20 +0300
Subject: [PATCH 1/3] Run binary package creation via thread pools.
Upstream-Status: Submitted [https://github.com/rpm-software-management/rpm/pull/226]
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
build/pack.c | 81 +++++++++++++++++++++++++++++++++++++++++++++++++-----------
configure.ac | 3 +++
2 files changed, 70 insertions(+), 14 deletions(-)
diff --git a/build/pack.c b/build/pack.c
index ccfd614cc..ed5b9ab4e 100644
--- a/build/pack.c
+++ b/build/pack.c
@@ -616,25 +616,78 @@ static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int ch
return rc;
}
-rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating)
+struct binaryPackageTaskData
{
- rpmRC rc;
Package pkg;
+ char *filename;
+ rpmRC result;
+ struct binaryPackageTaskData *next;
+};
+
+static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const char *cookie, int cheating)
+{
+ struct binaryPackageTaskData *tasks = NULL;
+ struct binaryPackageTaskData *task = NULL;
+ struct binaryPackageTaskData *prev = NULL;
+
+ for (Package pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
+ task = rcalloc(1, sizeof(*task));
+ task->pkg = pkg;
+ if (pkg == spec->packages) {
+ // the first package needs to be processed ahead of others, as they copy
+ // changelog data from it, and so otherwise data races would happen
+ task->result = packageBinary(spec, pkg, cookie, cheating, &(task->filename));
+ rpmlog(RPMLOG_NOTICE, _("Finished binary package job, result %d, filename %s\n"), task->result, task->filename);
+ tasks = task;
+ }
+ if (prev != NULL) {
+ prev->next = task;
+ }
+ prev = task;
+ }
+
+ #pragma omp parallel
+ #pragma omp single
+ // re-declaring task variable is necessary, or older gcc versions will produce code that segfaults
+ for (struct binaryPackageTaskData *task = tasks; task != NULL; task = task->next) {
+ if (task != tasks)
+ #pragma omp task
+ {
+ task->result = packageBinary(spec, task->pkg, cookie, cheating, &(task->filename));
+ rpmlog(RPMLOG_NOTICE, _("Finished binary package job, result %d, filename %s\n"), task->result, task->filename);
+ }
+ }
+
+ return tasks;
+}
+
+static void freeBinaryPackageTasks(struct binaryPackageTaskData* tasks)
+{
+ while (tasks != NULL) {
+ struct binaryPackageTaskData* next = tasks->next;
+ rfree(tasks->filename);
+ rfree(tasks);
+ tasks = next;
+ }
+}
+
+rpmRC packageBinaries(rpmSpec spec, const char *cookie, int cheating)
+{
char *pkglist = NULL;
- for (pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
- char *fn = NULL;
- rc = packageBinary(spec, pkg, cookie, cheating, &fn);
- if (rc == RPMRC_OK) {
- rstrcat(&pkglist, fn);
- rstrcat(&pkglist, " ");
- }
- free(fn);
- if (rc != RPMRC_OK) {
- pkglist = _free(pkglist);
- return rc;
- }
+ struct binaryPackageTaskData *tasks = runBinaryPackageTasks(spec, cookie, cheating);
+
+ for (struct binaryPackageTaskData *task = tasks; task != NULL; task = task->next) {
+ if (task->result == RPMRC_OK) {
+ rstrcat(&pkglist, task->filename);
+ rstrcat(&pkglist, " ");
+ } else {
+ _free(pkglist);
+ freeBinaryPackageTasks(tasks);
+ return RPMRC_FAIL;
+ }
}
+ freeBinaryPackageTasks(tasks);
/* Now check the package set if enabled */
if (pkglist != NULL) {
diff --git a/configure.ac b/configure.ac
index a506ec819..59fa0acaf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,6 +17,9 @@ AC_DISABLE_STATIC
PKG_PROG_PKG_CONFIG
+AC_OPENMP
+RPMCFLAGS="$OPENMP_CFLAGS $RPMCFLAGS"
+
dnl Checks for programs.
AC_PROG_CXX
AC_PROG_AWK
--
2.11.0
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