From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from localhost (localhost [127.0.0.1]) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTP id 0C0852FD88 for ; Sat, 25 May 2019 06:44:40 -0400 (EDT) Received: from turing.freelists.org ([127.0.0.1]) by localhost (turing.freelists.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id csXZishha2NG for ; Sat, 25 May 2019 06:44:39 -0400 (EDT) Received: from smtpng3.m.smailru.net (smtpng3.m.smailru.net [94.100.177.149]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by turing.freelists.org (Avenir Technologies Mail Multiplex) with ESMTPS id C01F02FD87 for ; Sat, 25 May 2019 06:44:39 -0400 (EDT) From: imeevma@tarantool.org Subject: [tarantool-patches] [PATCH v1 05/21] sql: remove SQL_CANTOPEN errcode Date: Sat, 25 May 2019 13:44:38 +0300 Message-Id: In-Reply-To: References: Sender: tarantool-patches-bounce@freelists.org Errors-to: tarantool-patches-bounce@freelists.org Reply-To: tarantool-patches@freelists.org List-Help: List-Unsubscribe: List-software: Ecartis version 1.0.0 List-Id: tarantool-patches List-Subscribe: List-Owner: List-post: List-Archive: To: korablev@tarantool.org Cc: tarantool-patches@freelists.org Removing this error code is part of getting rid of the SQL error system. --- src/box/sql/os_unix.c | 89 +++++++-------------------------------------------- src/box/sql/sqlInt.h | 2 -- 2 files changed, 11 insertions(+), 80 deletions(-) diff --git a/src/box/sql/os_unix.c b/src/box/sql/os_unix.c index d9e5656..18e42e5 100644 --- a/src/box/sql/os_unix.c +++ b/src/box/sql/os_unix.c @@ -318,66 +318,6 @@ struct unixInodeInfo { static unixInodeInfo *inodeList = 0; /* - * - * This function - unixLogErrorAtLine(), is only ever called via the macro - * unixLogError(). - * - * It is invoked after an error occurs in an OS function and errno has been - * set. It logs a message using sql_log() containing the current value of - * errno and, if possible, the human-readable equivalent from strerror() or - * strerror_r(). - * - * The first argument passed to the macro should be the error code that - * will be returned to sql (e.g. SQL_IOERR_DELETE, SQL_CANTOPEN). - * The two subsequent arguments should be the name of the OS function that - * failed (e.g. "unlink", "open") and the associated file-system path, - * if any. - */ -#define unixLogError(a,b,c) unixLogErrorAtLine(a,b,c,__LINE__) -static int -unixLogErrorAtLine(int errcode, /* sql error code */ - const char *zFunc, /* Name of OS function that failed */ - const char *zPath, /* File path associated with error */ - int iLine /* Source line number where error occurred */ - ) -{ - char *zErr; /* Message from strerror() or equivalent */ - int iErrno = errno; /* Saved syscall error number */ - - zErr = strerror(iErrno); - - if (zPath == 0) - zPath = ""; - sql_log(errcode, - "os_unix.c:%d: (%d) %s(%s) - %s", - iLine, iErrno, zFunc, zPath, zErr); - - return errcode; -} - -/* - * Close a file descriptor. - * - * We assume that close() almost always works, since it is only in a - * very sick application or on a very sick platform that it might fail. - * If it does fail, simply leak the file descriptor, but do log the - * error. - * - * Note that it is not safe to retry close() after EINTR since the - * file descriptor might have already been reused by another thread. - * So we don't even try to recover from an EINTR. Just log the error - * and move on. - */ -static void -robust_close(unixFile * pFile, int h, int lineno) -{ - if (close(h) != 0) { - unixLogErrorAtLine(SQL_IOERR_CLOSE, "close", - pFile ? pFile->zPath : 0, lineno); - } -} - -/* * Set the pFile->lastErrno. Do this in a subroutine as that provides * a convenient place to set a breakpoint. */ @@ -398,7 +338,7 @@ closePendingFds(unixFile * pFile) UnixUnusedFd *pNext; for (p = pInode->pUnused; p; p = pNext) { pNext = p->pNext; - robust_close(pFile, p->fd, __LINE__); + close(p->fd); sql_free(p); } pInode->pUnused = 0; @@ -705,7 +645,7 @@ closeUnixFile(sql_file * id) unixUnmapfile(pFile); #endif if (pFile->h >= 0) { - robust_close(pFile, pFile->h, __LINE__); + close(pFile->h); pFile->h = -1; } sql_free(pFile->pUnused); @@ -946,8 +886,7 @@ unixWrite(sql_file * id, const void *pBuf, int amt, sql_int64 offset) /* * Open a file descriptor to the directory containing file zFilename. * If successful, *pFd is set to the opened file descriptor and - * 0 is returned. If an error occurs, either SQL_NOMEM - * or SQL_CANTOPEN is returned and *pFd is set to an undefined + * 0 is returned. If an error occurs, -1 is set to an undefined * value. * * The directory file descriptor is used for only one thing - to @@ -987,7 +926,7 @@ openDirectory(const char *zFilename, int *pFd) *pFd = fd; if (fd >= 0) return 0; - return unixLogError(SQL_CANTOPEN, "openDirectory", zDirname); + return -1; } /* @@ -1032,8 +971,7 @@ fcntlSizeHint(unixFile * pFile, i64 nByte) if (pFile->szChunk <= 0) { if (robust_ftruncate(pFile->h, nByte)) { storeLastErrno(pFile, errno); - return unixLogError(SQL_IOERR_TRUNCATE, - "ftruncate", pFile->zPath); + return -1; } } @@ -1147,7 +1085,6 @@ unixRemapfile(unixFile * pFd, /* File descriptor object */ i64 nNew /* Required mapping size */ ) { - const char *zErr = "mmap"; int h = pFd->h; /* File descriptor open on db file */ u8 *pOrig = (u8 *) pFd->pMapRegion; /* Pointer to current file mapping */ i64 nOrig = pFd->mmapSizeActual; /* Size of pOrig region in bytes */ @@ -1170,7 +1107,6 @@ unixRemapfile(unixFile * pFd, /* File descriptor object */ munmap(pReq, nOrig - nReuse); #if !defined(__APPLE__) && !defined(__FreeBSD__) pNew = mremap(pOrig, nReuse, nNew, MREMAP_MAYMOVE); - zErr = "mremap"; #else pNew = mmap(pReq, nNew - nReuse, flags, MAP_SHARED, h, nReuse); if (pNew != MAP_FAILED) { @@ -1195,7 +1131,6 @@ unixRemapfile(unixFile * pFd, /* File descriptor object */ if (pNew == MAP_FAILED) { pNew = 0; nNew = 0; - unixLogError(0, zErr, pFd->zPath); /* If the mmap() above failed, assume that all subsequent mmap() calls * will probably fail too. Fall back to using xRead/xWrite exclusively @@ -1472,14 +1407,14 @@ fillInUnixFile(sql_vfs * pVfs, /* Pointer to vfs object */ * implicit assumption here is that if fstat() fails, things are in * such bad shape that dropping a lock or two doesn't matter much. */ - robust_close(pNew, h, __LINE__); + close(h); h = -1; } } storeLastErrno(pNew, 0); if (rc != 0) { if (h >= 0) - robust_close(pNew, h, __LINE__); + close(h); } else { pNew->pMethod = pLockingStyle; } @@ -1830,7 +1765,7 @@ unixOpen(sql_vfs * pVfs, /* The VFS for which this is the xOpen method */ fd = robust_open(zName, openFlags, openMode); } if (fd < 0) { - rc = unixLogError(SQL_CANTOPEN, "open", zName); + rc = -1; goto open_finished; } @@ -1886,7 +1821,7 @@ unixDelete(sql_vfs * NotUsed, /* VFS containing this as the xDelete method */ if (errno == ENOENT) { rc = SQL_IOERR_DELETE_NOENT; } else { - rc = unixLogError(SQL_IOERR_DELETE, "unlink", zPath); + rc = -1; } return rc; } @@ -1897,12 +1832,10 @@ unixDelete(sql_vfs * NotUsed, /* VFS containing this as the xDelete method */ if (rc == 0) { struct stat buf; if (fstat(fd, &buf)) { - rc = unixLogError(SQL_IOERR_DIR_FSYNC, - "fsync", zPath); + rc = -1; } - robust_close(0, fd, __LINE__); + close(fd); } else { - assert(rc == SQL_CANTOPEN); rc = 0; } } diff --git a/src/box/sql/sqlInt.h b/src/box/sql/sqlInt.h index e3f50b0..d8629ab 100644 --- a/src/box/sql/sqlInt.h +++ b/src/box/sql/sqlInt.h @@ -370,8 +370,6 @@ enum sql_ret_code { SQL_NOTFOUND, /** Insertion failed because database is full. */ SQL_FULL, - /** Unable to open the database file. */ - SQL_CANTOPEN, /** The database schema changed. */ SQL_SCHEMA, /** String or BLOB exceeds size limit. */ -- 2.7.4