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Merge remote-tracking branch 'upstream/master' into non-local-store-build

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This commit is contained in:
John Ericson 2021-01-15 02:01:24 +00:00
commit 0027b05a15
90 changed files with 1468 additions and 723 deletions
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41
src/libstore/build/derivation-goal.cc
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@ -50,6 +50,11 @@
#define pivot_root(new_root, put_old) (syscall(SYS_pivot_root, new_root, put_old))
#endif
#if __APPLE__
#include <spawn.h>
#include <sys/sysctl.h>
#endif
#include <pwd.h>
#include <grp.h>
@ -683,11 +688,7 @@ void DerivationGoal::tryToBuild()
}
void DerivationGoal::tryLocalBuild() {
bool buildLocally = buildMode != bmNormal || parsedDrv->willBuildLocally(worker.store);
/* Make sure that we are allowed to start a build. If this
derivation prefers to be done locally, do it even if
maxBuildJobs is 0. */
/* Make sure that we are allowed to start a build. */
if (!dynamic_cast<LocalStore *>(&worker.store)) {
throw Error(
"unable to build with a primary store that isn't a local store; "
@ -695,7 +696,7 @@ void DerivationGoal::tryLocalBuild() {
"\nhttps://nixos.org/nix/manual/#chap-distributed-builds");
}
unsigned int curBuilds = worker.getNrLocalBuilds();
if (curBuilds >= settings.maxBuildJobs && !(buildLocally && curBuilds == 0)) {
if (curBuilds >= settings.maxBuildJobs) {
worker.waitForBuildSlot(shared_from_this());
outputLocks.unlock();
return;
@ -1714,12 +1715,10 @@ void DerivationGoal::startBuilder()
userNamespaceSync.writeSide = -1;
});
pid_t tmp;
auto ss = tokenizeString<std::vector<std::string>>(readLine(builderOut.readSide.get()));
assert(ss.size() == 2);
usingUserNamespace = ss[0] == "1";
if (!string2Int<pid_t>(ss[1], tmp)) abort();
pid = tmp;
pid = string2Int<pid_t>(ss[1]).value();
if (usingUserNamespace) {
/* Set the UID/GID mapping of the builder's user namespace
@ -2877,7 +2876,31 @@ void DerivationGoal::runChild()
}
}
#if __APPLE__
posix_spawnattr_t attrp;
if (posix_spawnattr_init(&attrp))
throw SysError("failed to initialize builder");
if (posix_spawnattr_setflags(&attrp, POSIX_SPAWN_SETEXEC))
throw SysError("failed to initialize builder");
if (drv->platform == "aarch64-darwin") {
// Unset kern.curproc_arch_affinity so we can escape Rosetta
int affinity = 0;
sysctlbyname("kern.curproc_arch_affinity", NULL, NULL, &affinity, sizeof(affinity));
cpu_type_t cpu = CPU_TYPE_ARM64;
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
} else if (drv->platform == "x86_64-darwin") {
cpu_type_t cpu = CPU_TYPE_X86_64;
posix_spawnattr_setbinpref_np(&attrp, 1, &cpu, NULL);
}
posix_spawn(NULL, builder, NULL, &attrp, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
#else
execve(builder, stringsToCharPtrs(args).data(), stringsToCharPtrs(envStrs).data());
#endif
throw SysError("executing '%1%'", drv->builder);