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NAME | DESCRIPTION | SEE ALSO | COLOPHON |
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proc_pid_syscall(5) File Formats Manual proc_pid_syscall(5)
/proc/pid/syscall - currently executed system call
/proc/pid/syscall (since Linux 2.6.27)
This file exposes the system call number and argument
registers for the system call currently being executed by
the process, followed by the values of the stack pointer
and program counter registers. The values of all six
argument registers are exposed, although most system calls
use fewer registers.
If the process is blocked, but not in a system call, then
the file displays -1 in place of the system call number,
followed by just the values of the stack pointer and
program counter. If process is not blocked, then the file
contains just the string "running".
This file is present only if the kernel was configured
with CONFIG_HAVE_ARCH_TRACEHOOK.
Permission to access this file is governed by a ptrace
access mode PTRACE_MODE_ATTACH_FSCREDS check; see
ptrace(2).
proc(5)
This page is part of the man-pages (Linux kernel and C library
user-space interface documentation) project. Information about
the project can be found at
⟨https://www.kernel.org/doc/man-pages/⟩. If you have a bug report
for this manual page, see
⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
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2024-06-26. If you discover any rendering problems in this HTML
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[email protected]
Linux man-pages 6.9.1 2024-05-02 proc_pid_syscall(5)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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