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retry writes on EINTR a couple times

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This commit is contained in:
Glenn Maynard
2004-01-13 00:06:46 +00:00
parent d4338898e0
commit 13c4103e62
1 changed files with 16 additions and 2 deletions
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stepmania/src/RageFileDriverDirect.cpp
+16 -2
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@@ -358,12 +358,26 @@ int RageFileObjDirect::Read( void *buf, size_t bytes )
return ret;
}
/* write(), but retry a couple times on EINTR. */
static int retried_write( int fd, const void *buf, size_t count )
{
int tries = 3, ret;
do
{
ret = write( fd, buf, count );
}
while( ret == -1 && errno == EINTR && tries-- );
return ret;
}
int RageFileObjDirect::Flush()
{
if( !write_buf.size() )
return 0;
int ret = write( fd, write_buf.data(), write_buf.size() );
int ret = retried_write( fd, write_buf.data(), write_buf.size() );
if( ret == -1 )
{
LOG->Warn("Error writing %s: %s", this->path.c_str(), strerror(errno) );
@@ -387,7 +401,7 @@ int RageFileObjDirect::Write( const void *buf, size_t bytes )
* the buffer size, so just write it directly. */
if( bytes >= BUFSIZE )
{
int ret = write( fd, buf, bytes );
int ret = retried_write( fd, buf, bytes );
if( ret == -1 )
{
LOG->Warn("Error writing %s: %s", this->path.c_str(), strerror(errno) );