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Get env_posix.cc building under Fuchsia.

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PiperOrigin-RevId: 395824737
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leveldb Team 2021-09-10 00:45:26 +00:00 committed by Victor Costan
parent 5783a79309
commit c5d5174a66
1 changed files with 7 additions and 0 deletions
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7
util/env_posix.cc
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@ -6,7 +6,9 @@
#include <fcntl.h> #include <fcntl.h>
#include <pthread.h> #include <pthread.h>
#include <sys/mman.h> #include <sys/mman.h>
#ifndef __Fuchsia__
#include <sys/resource.h> #include <sys/resource.h>
#endif
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/time.h> #include <sys/time.h>
#include <sys/types.h> #include <sys/types.h>
@ -757,6 +759,10 @@ int MaxOpenFiles() {
if (g_open_read_only_file_limit >= 0) { if (g_open_read_only_file_limit >= 0) {
return g_open_read_only_file_limit; return g_open_read_only_file_limit;
} }
#ifdef __Fuchsia__
// Fuchsia doesn't implement getrlimit.
g_open_read_only_file_limit = 50;
#else
struct ::rlimit rlim; struct ::rlimit rlim;
if (::getrlimit(RLIMIT_NOFILE, &rlim)) { if (::getrlimit(RLIMIT_NOFILE, &rlim)) {
// getrlimit failed, fallback to hard-coded default. // getrlimit failed, fallback to hard-coded default.
@ -767,6 +773,7 @@ int MaxOpenFiles() {
// Allow use of 20% of available file descriptors for read-only files. // Allow use of 20% of available file descriptors for read-only files.
g_open_read_only_file_limit = rlim.rlim_cur / 5; g_open_read_only_file_limit = rlim.rlim_cur / 5;
} }
#endif
return g_open_read_only_file_limit; return g_open_read_only_file_limit;
} }