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David Steele
64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/***********************************************************************************************************************************
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Storage File Routines For Posix
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***********************************************************************************************************************************/
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// So fsync() will work on older glib versions
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#ifndef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200112L
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#endif
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#include <fcntl.h>
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#include <unistd.h>
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#include "common/assert.h"
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#include "storage/driver/posix/driverFile.h"
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/***********************************************************************************************************************************
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Open a file
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Returns the handle of the open file, or -1 for reads if the file is missing and -1 for writes if the path is mssing.
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***********************************************************************************************************************************/
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int
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storageFilePosixOpen(
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const String *name, int flags, mode_t mode, bool ignoreMissing, const ErrorType *errorType, const char *purpose)
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{
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int result = -1;
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result = open(strPtr(name), flags, mode);
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if (result == -1)
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{
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if (errno != ENOENT || !ignoreMissing)
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THROWP_SYS_ERROR_FMT(errorType, "unable to open '%s' for %s", strPtr(name), purpose);
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}
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return result;
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}
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/***********************************************************************************************************************************
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Sync a file/directory handle
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***********************************************************************************************************************************/
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void
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storageFilePosixSync(int handle, const String *name, const ErrorType *errorType, bool closeOnError)
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{
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if (fsync(handle) == -1)
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{
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int errNo = errno;
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// Close if requested but don't report errors -- we want to report the sync error instead
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if (closeOnError)
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close(handle);
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THROWP_SYS_ERROR_CODE_FMT(errNo, errorType, "unable to sync '%s'", strPtr(name));
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}
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}
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/***********************************************************************************************************************************
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Close a file/directory handle
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***********************************************************************************************************************************/
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void
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storageFilePosixClose(int handle, const String *name, const ErrorType *errorType)
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{
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if (close(handle) == -1)
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THROWP_SYS_ERROR_FMT(errorType, "unable to close '%s'", strPtr(name));
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}
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