https://sourceware.org/bugzilla/show_bug.cgi?id=32373
Bug ID: 32373
Summary: gprofng: sysinfo interception needs porting to Linux
from Solaris
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: gprofng
Assignee: vladimir.mezentsev at oracle dot com
Reporter: sam at gentoo dot org
Target Milestone: ---
In gprofng/libcollector/libcol_util.c, we have:
```
ptr = dlsym (libc, "sysinfo");
if (ptr)
__collector_util_funcs.sysinfo = (long (*)())ptr;
else
{
CALL_UTIL (fprintf)(stderr, "collector_util_init COL_ERROR_UTIL_INIT
sysinfo: %s\n", dlerror ());
err = COL_ERROR_UTIL_INIT;
}
```
This came up when porting gprofng to C23 (GCC 15 now defaults to -std=gnu23)
and I noticed that the prototype we expect is different on Linux:
```
gprofng/src/collector_module.h:110: long (*sysinfo)(int command, char *buf,
long count);
```
That's the Solaris prototype, see
https://docs.oracle.com/cd/E86824_01/html/E54765/sysinfo-2.html.
On Linux, it seems to be `int sysinfo(struct sysinfo *info)`.
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