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From 869d60f6cf68c2c83cc799f051c064e762ae9814 Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Thu, 8 Jun 2017 17:08:09 +0300
Subject: [PATCH 3/3] build/pack.c: remove static local variables from
buildHost() and getBuildTime()
Their use is causing difficult to diagnoze data races when building multiple
packages in parallel, and is a bad idea in general, as it also makes it more
difficult to reason about code.
Upstream-Status: Submitted [https://github.com/rpm-software-management/rpm/pull/226]
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
build/pack.c | 92 ++++++++++++++++++++++++++++++------------------------------
1 file changed, 46 insertions(+), 46 deletions(-)
diff --git a/build/pack.c b/build/pack.c
index f85d8dc90..12b1ceb76 100644
--- a/build/pack.c
+++ b/build/pack.c
@@ -151,54 +151,47 @@ exit:
return rc;
}
-static rpm_time_t * getBuildTime(void)
+static rpm_time_t getBuildTime(void)
{
- static rpm_time_t buildTime[1];
+ rpm_time_t buildTime = 0;
char *srcdate;
time_t epoch;
char *endptr;
- if (buildTime[0] == 0) {
- srcdate = getenv("SOURCE_DATE_EPOCH");
- if (srcdate) {
- errno = 0;
- epoch = strtol(srcdate, &endptr, 10);
- if (srcdate == endptr || *endptr || errno != 0)
- rpmlog(RPMLOG_ERR, _("unable to parse SOURCE_DATE_EPOCH\n"));
- else
- buildTime[0] = (int32_t) epoch;
- } else
- buildTime[0] = (int32_t) time(NULL);
- }
+ srcdate = getenv("SOURCE_DATE_EPOCH");
+ if (srcdate) {
+ errno = 0;
+ epoch = strtol(srcdate, &endptr, 10);
+ if (srcdate == endptr || *endptr || errno != 0)
+ rpmlog(RPMLOG_ERR, _("unable to parse SOURCE_DATE_EPOCH\n"));
+ else
+ buildTime = (int32_t) epoch;
+ } else
+ buildTime = (int32_t) time(NULL);
return buildTime;
}
-static const char * buildHost(void)
+static char * buildHost(void)
{
- static char hostname[1024];
- static int oneshot = 0;
+ char* hostname;
struct hostent *hbn;
char *bhMacro;
- if (! oneshot) {
- bhMacro = rpmExpand("%{?_buildhost}", NULL);
- if (strcmp(bhMacro, "") != 0 && strlen(bhMacro) < 1024) {
- strcpy(hostname, bhMacro);
- } else {
- if (strcmp(bhMacro, "") != 0)
- rpmlog(RPMLOG_WARNING, _("The _buildhost macro is too long\n"));
- (void) gethostname(hostname, sizeof(hostname));
- hbn = gethostbyname(hostname);
- if (hbn)
- strcpy(hostname, hbn->h_name);
- else
- rpmlog(RPMLOG_WARNING,
- _("Could not canonicalize hostname: %s\n"), hostname);
- }
- free(bhMacro);
- oneshot = 1;
- }
+ bhMacro = rpmExpand("%{?_buildhost}", NULL);
+ if (strcmp(bhMacro, "") != 0) {
+ rasprintf(&hostname, "%s", bhMacro);
+ } else {
+ hostname = rcalloc(1024, sizeof(*hostname));
+ (void) gethostname(hostname, 1024);
+ hbn = gethostbyname(hostname);
+ if (hbn)
+ strcpy(hostname, hbn->h_name);
+ else
+ rpmlog(RPMLOG_WARNING,
+ _("Could not canonicalize hostname: %s\n"), hostname);
+ }
+ free(bhMacro);
return(hostname);
}
@@ -308,7 +301,8 @@ static int haveRichDep(Package pkg)
}
static rpmRC writeRPM(Package pkg, unsigned char ** pkgidp,
- const char *fileName, char **cookie)
+ const char *fileName, char **cookie,
+ rpm_time_t buildTime, const char* buildHost)
{
FD_t fd = NULL;
char * rpmio_flags = NULL;
@@ -397,7 +391,7 @@ static rpmRC writeRPM(Package pkg, unsigned char ** pkgidp,
/* Create and add the cookie */
if (cookie) {
- rasprintf(cookie, "%s %d", buildHost(), (int) (*getBuildTime()));
+ rasprintf(cookie, "%s %d", buildHost, buildTime);
headerPutString(pkg->header, RPMTAG_COOKIE, *cookie);
}
@@ -546,7 +540,7 @@ static rpmRC checkPackages(char *pkgcheck)
return RPMRC_OK;
}
-static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int cheating, char** filename)
+static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int cheating, char** filename, rpm_time_t buildTime, const char* buildHost)
{
const char *errorString;
rpmRC rc = RPMRC_OK;
@@ -565,8 +559,8 @@ static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int ch
headerCopyTags(spec->packages->header, pkg->header, copyTags);
headerPutString(pkg->header, RPMTAG_RPMVERSION, VERSION);
- headerPutString(pkg->header, RPMTAG_BUILDHOST, buildHost());
- headerPutUint32(pkg->header, RPMTAG_BUILDTIME, getBuildTime(), 1);
+ headerPutString(pkg->header, RPMTAG_BUILDHOST, buildHost);
+ headerPutUint32(pkg->header, RPMTAG_BUILDTIME, &buildTime, 1);
if (spec->sourcePkgId != NULL) {
headerPutBin(pkg->header, RPMTAG_SOURCEPKGID, spec->sourcePkgId,16);
@@ -604,7 +598,7 @@ static rpmRC packageBinary(rpmSpec spec, Package pkg, const char *cookie, int ch
free(binRpm);
}
- rc = writeRPM(pkg, NULL, *filename, NULL);
+ rc = writeRPM(pkg, NULL, *filename, NULL, buildTime, buildHost);
if (rc == RPMRC_OK) {
/* Do check each written package if enabled */
char *pkgcheck = rpmExpand("%{?_build_pkgcheck} ", *filename, NULL);
@@ -629,6 +623,8 @@ static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const c
struct binaryPackageTaskData *tasks = NULL;
struct binaryPackageTaskData *task = NULL;
struct binaryPackageTaskData *prev = NULL;
+ rpm_time_t buildTime = getBuildTime();
+ char *host = buildHost();
for (Package pkg = spec->packages; pkg != NULL; pkg = pkg->next) {
task = rcalloc(1, sizeof(*task));
@@ -636,7 +632,7 @@ static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const c
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));
+ task->result = packageBinary(spec, pkg, cookie, cheating, &(task->filename), buildTime, buildHost);
rpmlog(RPMLOG_NOTICE, _("Finished binary package job, result %d, filename %s\n"), task->result, task->filename);
tasks = task;
}
@@ -652,11 +648,12 @@ static struct binaryPackageTaskData* runBinaryPackageTasks(rpmSpec spec, const c
if (task != tasks)
#pragma omp task
{
- task->result = packageBinary(spec, task->pkg, cookie, cheating, &(task->filename));
+ task->result = packageBinary(spec, task->pkg, cookie, cheating, &(task->filename), buildTime, buildHost);
rpmlog(RPMLOG_NOTICE, _("Finished binary package job, result %d, filename %s\n"), task->result, task->filename);
}
}
+ free(host);
return tasks;
}
@@ -707,16 +704,18 @@ rpmRC packageSources(rpmSpec spec, char **cookie)
rpmRC rc;
/* Add some cruft */
+ rpm_time_t buildTime = getBuildTime();
+ char* host = buildHost();
headerPutString(sourcePkg->header, RPMTAG_RPMVERSION, VERSION);
- headerPutString(sourcePkg->header, RPMTAG_BUILDHOST, buildHost());
- headerPutUint32(sourcePkg->header, RPMTAG_BUILDTIME, getBuildTime(), 1);
+ headerPutString(sourcePkg->header, RPMTAG_BUILDHOST, (const char*)buildHost);
+ headerPutUint32(sourcePkg->header, RPMTAG_BUILDTIME, &buildTime, 1);
/* XXX this should be %_srpmdir */
{ char *fn = rpmGetPath("%{_srcrpmdir}/", spec->sourceRpmName,NULL);
char *pkgcheck = rpmExpand("%{?_build_pkgcheck_srpm} ", fn, NULL);
spec->sourcePkgId = NULL;
- rc = writeRPM(sourcePkg, &spec->sourcePkgId, fn, cookie);
+ rc = writeRPM(sourcePkg, &spec->sourcePkgId, fn, cookie, buildTime, host);
/* Do check SRPM package if enabled */
if (rc == RPMRC_OK && pkgcheck[0] != ' ') {
@@ -726,5 +725,6 @@ rpmRC packageSources(rpmSpec spec, char **cookie)
free(pkgcheck);
free(fn);
}
+ free(host);
return rc;
}
--
2.11.0
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