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MDEV-16548 - Innodb fails to start on older kernels that don't support F_DUPFD_CLOEXEC

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InnoDB duplicates file descriptor returned by create_temp_file() to
workaround further inconsistent use of this descriptor.

Use mysys file descriptors consistently for innobase_mysql_tmpfile(NULL).
Mostly close it by appropriate mysys wrappers.
This commit is contained in:
Sergey Vojtovich 2019-05-23 12:55:03 +04:00
parent 893472d005
commit 5f5a0b3bb6
4 changed files with 16 additions and 23 deletions
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2
storage/innobase/dict/dict0dict.cc
View File

@ -6436,7 +6436,7 @@ void dict_sys_t::close()
if (dict_foreign_err_file)
{
fclose(dict_foreign_err_file);
my_fclose(dict_foreign_err_file, MYF(MY_WME));
dict_foreign_err_file = NULL;
}

2
storage/innobase/lock/lock0lock.cc
View File

@ -557,7 +557,7 @@ void lock_sys_t::close()
if (!m_initialised) return;
if (lock_latest_err_file != NULL) {
fclose(lock_latest_err_file);
my_fclose(lock_latest_err_file, MYF(MY_WME));
lock_latest_err_file = NULL;
}

27
storage/innobase/os/os0file.cc
View File

@ -1131,23 +1131,14 @@ os_file_create_tmpfile()
{
FILE* file = NULL;
WAIT_ALLOW_WRITES();
os_file_t fd = innobase_mysql_tmpfile(NULL);
File fd = mysql_tmpfile("ib");
if (fd != OS_FILE_CLOSED) {
#ifdef _WIN32
int crt_fd = _open_osfhandle((intptr_t)HANDLE(fd), 0);
if (crt_fd != -1) {
file = fdopen(crt_fd, "w+b");
if (!file) {
close(crt_fd);
}
}
#else
file = fdopen(fd, "w+b");
if (fd >= 0) {
file = my_fdopen(fd, 0, O_RDWR|O_TRUNC|O_CREAT|FILE_BINARY,
MYF(MY_WME));
if (!file) {
close(fd);
my_close(fd, MYF(MY_WME));
}
#endif
}
if (file == NULL) {
@ -2145,7 +2136,7 @@ and native aio.
bool
AIO::is_linux_native_aio_supported()
{
int fd;
File fd;
io_context_t io_ctx;
char name[1000];
@ -2158,7 +2149,7 @@ AIO::is_linux_native_aio_supported()
} else if (!srv_read_only_mode) {
/* Now check if tmpdir supports native aio ops. */
fd = innobase_mysql_tmpfile(NULL);
fd = mysql_tmpfile("ib");
if (fd < 0) {
ib::warn()
@ -2185,7 +2176,7 @@ AIO::is_linux_native_aio_supported()
strcpy(name + dirnamelen, "ib_logfile0");
fd = open(name, O_RDONLY | O_CLOEXEC);
fd = my_open(name, O_RDONLY | O_CLOEXEC, MYF(0));
if (fd == -1) {
@ -2230,7 +2221,7 @@ AIO::is_linux_native_aio_supported()
}
ut_free(buf);
close(fd);
my_close(fd, MYF(MY_WME));
switch (err) {
case 1:

8
storage/innobase/srv/srv0start.cc
View File

@ -1422,7 +1422,9 @@ dberr_t srv_start(bool create_new_db)
fil_path_to_mysql_datadir,
os_proc_get_number());
srv_monitor_file = fopen(srv_monitor_file_name, "w+");
srv_monitor_file = my_fopen(srv_monitor_file_name,
O_RDWR|O_TRUNC|O_CREAT,
MYF(MY_WME));
if (!srv_monitor_file) {
ib::error() << "Unable to create "
@ -2458,7 +2460,7 @@ void innodb_shutdown()
srv_shutdown_all_bg_threads();
if (srv_monitor_file) {
fclose(srv_monitor_file);
my_fclose(srv_monitor_file, MYF(MY_WME));
srv_monitor_file = 0;
if (srv_monitor_file_name) {
unlink(srv_monitor_file_name);
@ -2467,7 +2469,7 @@ void innodb_shutdown()
}
if (srv_misc_tmpfile) {
fclose(srv_misc_tmpfile);
my_fclose(srv_misc_tmpfile, MYF(MY_WME));
srv_misc_tmpfile = 0;
}