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fix(server): exit gracefully when iouring not supported (#197) 

fix(server): exit gracefully when iouring not supported #181

Signed-off-by: iko1 <me@remotecpp.dev>
This commit is contained in:
iko1 2022-07-09 18:44:23 +03:00 committed by GitHub
parent 9e36197742
commit 2b0869c16d
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1 changed files with 8 additions and 0 deletions
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8
src/server/dfly_main.cc
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@ -6,6 +6,7 @@
#include <mimalloc-new-delete.h>
#endif
#include <liburing.h>
#include <absl/flags/usage.h>
#include <absl/flags/usage_config.h>
#include <absl/strings/match.h>
@ -167,6 +168,13 @@ Usage: dragonfly [FLAGS]
return 1;
}
int iouring_res = io_uring_queue_init_params(0, nullptr, nullptr);
if (-iouring_res == ENOSYS) {
LOG(ERROR)
<< "iouring system call interface is not supported. Exiting...";
return 1;
}
if (GetFlag(FLAGS_dbnum) > dfly::kMaxDbId) {
LOG(ERROR) << "dbnum is too big. Exiting...";
return 1;