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[PR #81] [CLOSED] Swap SIGRTMIN + 1 and SIGRTMAX - 1 #146

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opened 2026-01-31 21:29:58 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 21:29:58 +00:00
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📋 Pull Request Information

Original PR: https://github.com/qemu/qemu/pull/81
Author: @mruck
Created: 6/21/2019
Status: ❌ Closed

Base: master ← Head: sigrtmin_swap

📝 Commits (1)

  • 096c244 Swap SIGRTMIN + 1 and SIGRTMAX - 1

📊 Changes

1 file changed (+5 additions, -1 deletions)

View changed files

📝 linux-user/signal.c (+5 -1)

📄 Description

Let guest programs use SIGRTMIN + 1 by swapping with SIGRTMAX - 1. Since QEMU links against glibc, it reserves the signal for itself and returns EINVAL (as noted in the commit message). This means various applications that use SIGRTMIN + 1 cannot run on QEMU, including G-WAN web server and Open TFTP.

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/qemu/qemu/pull/81 **Author:** [@mruck](https://github.com/mruck) **Created:** 6/21/2019 **Status:** ❌ Closed **Base:** `master` ← **Head:** `sigrtmin_swap` --- ### 📝 Commits (1) - [`096c244`](https://github.com/qemu/qemu/commit/096c244668345f80a4582799d0b860b7c20a9b59) Swap SIGRTMIN + 1 and SIGRTMAX - 1 ### 📊 Changes **1 file changed** (+5 additions, -1 deletions) <details> <summary>View changed files</summary> 📝 `linux-user/signal.c` (+5 -1) </details> ### 📄 Description Let guest programs use SIGRTMIN + 1 by swapping with SIGRTMAX - 1. Since QEMU links against glibc, it reserves the signal for itself and returns EINVAL (as noted in the commit message). This means various applications that use SIGRTMIN + 1 cannot run on QEMU, including G-WAN web server and Open TFTP. --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
claunia added the pull-request label 2026-01-31 21:29:58 +00:00
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Reference: starred/qemu#146
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