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Make tarball cache more interruptible

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This commit is contained in:
Robert Hensing 2024-08-26 11:38:40 +02:00
parent 5dd6c4f062
commit d0f8a92363
2 changed files with 13 additions and 0 deletions
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7
src/libfetchers/git-utils.cc
View file

@ -211,8 +211,12 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
try {
PackBuilder packBuilder;
git_packbuilder_new(Setter(packBuilder), *this);
checkInterrupt();
git_mempack_write_thin_pack(mempack_backend, packBuilder.get());
checkInterrupt();
// TODO make git_packbuilder_write_buf() interruptible
git_packbuilder_write_buf(&buf, packBuilder.get());
checkInterrupt();
std::string repo_path = std::string(git_repository_path(repo.get()));
while (!repo_path.empty() && repo_path.back() == '/')
@ -224,8 +228,10 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
git_indexer_progress stats;
if (git_indexer_new(Setter(indexer), pack_dir_path.c_str(), 0, nullptr, nullptr))
throw Error("creating git packfile indexer: %s", git_error_last()->message);
// TODO: feed buf in (fairly large) chunk to make this interruptible
if (git_indexer_append(indexer.get(), buf.ptr, buf.size, &stats))
throw Error("appending to git packfile index: %s", git_error_last()->message);
checkInterrupt();
if (git_indexer_commit(indexer.get(), &stats))
throw Error("committing git packfile index: %s", git_error_last()->message);
@ -237,6 +243,7 @@ struct GitRepoImpl : GitRepo, std::enable_shared_from_this<GitRepoImpl>
git_buf_dispose(&buf);
throw;
}
checkInterrupt();
}
uint64_t getRevCount(const Hash & rev) override

6
src/libutil/unix/signals-impl.hh
View file

@ -84,6 +84,12 @@ static inline bool getInterrupted()
return unix::_isInterrupted;
}
/**
* Throw `Interrupted` exception if the process has been interrupted.
*
* Call this in long-running loops and between slow operations to terminate
* them as needed.
*/
void inline checkInterrupt()
{
using namespace unix;