libcrun: document vfork shared error#2018
libcrun: document vfork shared error#2018eriksjolund wants to merge 1 commit intocontainers:mainfrom
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Summary of ChangesHello @eriksjolund, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request enhances the codebase's clarity by adding crucial documentation regarding Highlights
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This pull request adds comments to src/libcrun/linux.c and src/libcrun/net_device.c to explain why an error object from a vfork() child process can be reused in the parent. This is a useful clarification. The changes are correct. I've provided minor stylistic suggestions to format the new comments as multi-line blocks for better readability, in line with common C coding practices.
src/libcrun/linux.c
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| /* The vfork child process shares the same memory mapping as its parent process, | ||
| so we just reuse the error created in the child process. */ |
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This comment is helpful for clarification. To improve readability and align with common C coding styles (like the Linux kernel style guide) for explanatory comments, consider formatting this as a multi-line block. This avoids a long single line of text.
/*
* The vfork() child shares the parent's memory space, so the error
* object populated by the child is available to the parent.
*/
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There are examples in the source code where the vfork parent process reuses an error created by the vfork child process. Document that there is no need to create an error in the parent process in such cases. Related issue: containers#2015 Amended the suggestion from gemini-code-assist in containers#2018 with some modifications. Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
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There are examples in the source code where the vfork parent process reuses an error created by the vfork child process. Document that there is no need to create an error in the parent process in such cases. Related issue: containers#2015 Amended the suggestion from gemini-code-assist in containers#2018 with some modifications. Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
There are examples in the source code where the vfork parent process reuses an error created by the vfork child process. Document that there is no need to create an error in the parent process in such cases. Related issue: containers#2015 Amended the suggestion from gemini-code-assist in containers#2018 with some modifications. Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
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There are examples in the source code where the vfork parent process reuses an error created by the vfork child process. Document that there is no need to create an error in the parent process in such cases. Related issue: containers#2015 Incorporate a suggestion from gemini-code-assist in containers#2018 Signed-off-by: Erik Sjölund <erik.sjolund@gmail.com>
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There are examples in the source code where the vfork parent process reuses an error created by the vfork child process. Document that there is no need to create an error in the parent process in such cases.
I've already twice made the mistake to suggest that the missing error is a bug:
See:
#2015
https://github.com/containers/crun/pull/1699/changes#r2009093017