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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2018-10-09 23:40:09 +0200
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2018-10-28 13:41:51 +0100
commit5c81be53407434ce22b849722a3d691295480016 (patch)
tree930f36f9263b5d02c176d6b13b0ed5a762c8fd83 /ChangeLog
parent2d0d1d38761cd9aeb7063c5cce1993cec909f67f (diff)
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hurd: Fix race between calling RPC and handling a signal
* sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Make _hurd_intr_rpc_msg_about_to global point to start of controlled assembly snippet. Make it check canceled flag. * hurd/hurdsig.c (_hurdsig_abort_rpcs): Only mutate thread if it passed the _hurd_intr_rpc_msg_about_to point. * hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Remove comment on mutation issue, remove cancel flag check.
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@@ -3,6 +3,13 @@
* hurd/hurdsig.c (_hurd_interrupted_rpc_timeout): Set to 60000.
* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): When the server does not
answer to interrupt_operation, return EIO instead of EINTR.
+ * sysdeps/mach/hurd/i386/intr-msg.h (INTR_MSG_TRAP): Make
+ _hurd_intr_rpc_msg_about_to global point to start of controlled
+ assembly snippet. Make it check canceled flag.
+ * hurd/hurdsig.c (_hurdsig_abort_rpcs): Only mutate thread if it passed
+ the _hurd_intr_rpc_msg_about_to point.
+ * hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Remove comment on mutation
+ issue, remove cancel flag check.
2018-10-26 Joseph Myers <joseph@codesourcery.com>