Patch 1191 : libabi.so async I/O library roll up : [IRIX 5.3]
INDEX
RELATIONS
RELEASE NOTES
1. Patch SG0001191 Release Note This release note describes patch SG0001191 to IRIX 5.3 and IRIX 5.3 with XFS1.1 Supported Hardware Platforms This patch contains bug fixes for All platforms.1.2 Supported Software Platforms This patch contains bug fixes for IRIX 5.3 and IRIX 5.3 with XFS. The software cannot be installed on other configurations.1.3 Bugs Fixed by Patch SG0001191 This patch contains fixes for the following bugs in IRIX 5.3 and IRIX 5.3 with XFS. Bug numbers from Silicon Graphics bug tracking system are included for reference. o Bug 254719: libabi dies in assert when using aio_suspend and some other aio_* calls. o Bug 256769: calling aio_hold could cause a segv in libabi. o Bug 250515: libabi versions of aio_* routines could cause user programs to deadlock. o Bug 254955: using multiple sprocs with the libabi aio_* functions could cause user program deadlocks. o Bug 297989: It was possible for a users signal handler to be called that would not be appropriate for an AIO thread. Now user handlers are cleared from the AIO threads. o Bug 331159: use of aio_suspend with short timeouts could cause a race that would corrupt the shared memory arena used by AIO and cause a program to receive a SIGSEGV. o Bug 336783: aio_suspend would cause the program to exit if it could not get certain resources. Now it returns EAGAIN instead.1.4 Subsystems Included in Patch SG1191 This patch release includes these subsystems: o patchSG0001191.eoe1_sw.irix_lib This patch is a patch only to the runtime for programs using libabi. In order to develop programs that use the libabi version of AIO you will also need the patch to dev.hdr.lib that corrects the following problems in /usr/include/aio.h o BUG 259744 o BUG 2549551.5 Installation Instructions Because you want to install only the patches for problems you have encountered, patch software is not installed by default. After reading the descriptions of the bugs fixed in this patch (see Section 1.3), determine the patches that meet your specific needs. If, after reading Sections 1.1 and 1.2 of these release notes, you are unsure whether your hardware and software meet the requirements for installing a particular patch, run inst. Patch software is installed like any other Silicon Graphics software product. Follow the instructions in your Software Installation Administrator's Guide to bring up the miniroot form of the software installation tools. Follow these steps to select a patch for installation: 1. At the Inst>prompt, type install patchSGxxxxxxx where xxxxxxx is the patch number. 2. Select the desired patches for installation. 3. Initiate the installation sequence. Type Inst> go 4. You may find that two patches have been marked as incompatible. If this occurs, you must deselect one of the patches. Inst> keep patchSGxxxxxxx where xxxxxxx is the patch number. 5. After completing the installation process, exit the inst program by typing Inst> quit To remove a patch, use the versions remove command as you would for any other software subsystem. The removal process reinstates the original version of software unless you have specifically removed the patch history from your system. versions remove patchSGxxxxxxx where xxxxxxx is the patch number. To keep a patch but increase your disk space, use the versions removehist command to remove the patch history. versions removehist patchSGxxxxxxx where xxxxxxx is the patch number. INST SUBSYSTEM REQUIREMENTS No Requirements Information Available. INST SUBSYSTEM CHECKSUMS These checksums help to provide a 'signature' for the patch inst image which can be used to authenticate other inst images. You can obtain this kind of output by running sum -r on the image (from the command line): 57130 2 patchSG0001191 04523 58 patchSG0001191.eoe1_sw 11748 1 patchSG0001191.idb INST SUBSYSTEM FILE LISTINGS The following lists the files which get installed from each subsystem in the patch:
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Document Id: 20021117063437-IRIXPatch-949
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