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| author | Paul Eggert <eggert@cs.ucla.edu> | 2005-07-08 23:41:43 +0000 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2005-07-08 23:41:43 +0000 |
| commit | d3fdc82a4eb1c134b69f94983fea3d39f6f80028 (patch) | |
| tree | 40d407a6c2a195cedc855c4362c0a3a0b570c20e /lib/getloadavg.c | |
| parent | 37c66310812851e722dbefbe56716cafcd99cf31 (diff) | |
| download | coreutils-d3fdc82a4eb1c134b69f94983fea3d39f6f80028.tar.xz | |
(getloadavg) [__CYGWIN__]: Port to cygwin.
[__linux__]: Allocate a big enough buffer for /proc/loadavg.
[!LDAV_DONE]: Avoid unused variable warning.
Diffstat (limited to 'lib/getloadavg.c')
| -rw-r--r-- | lib/getloadavg.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/lib/getloadavg.c b/lib/getloadavg.c index bf57e1040..2a5013148 100644 --- a/lib/getloadavg.c +++ b/lib/getloadavg.c @@ -47,7 +47,8 @@ the nlist n_name element is a pointer, not an array. HAVE_STRUCT_NLIST_N_UN_N_NAME `n_un.n_name' is member of `struct nlist'. - LINUX_LDAV_FILE [__linux__]: File containing load averages. + LINUX_LDAV_FILE [__linux__, __CYGWIN__]: File containing + load averages. Specific system predefines this file uses, aside from setting default values if not emacs: @@ -70,6 +71,7 @@ WINDOWS32 No-op for Windows95/NT. __linux__ Linux: assumes /proc file system mounted. Support from Michael K. Johnson. + __CYGWIN__ Cygwin emulates linux /proc/loadavg. __NetBSD__ NetBSD: assumes /kern file system mounted. In addition, to avoid nesting many #ifdefs, we internally set @@ -563,7 +565,7 @@ getloadavg (double loadavg[], int nelem) # endif /* hpux && HAVE_PSTAT_GETDYNAMIC */ -# if !defined (LDAV_DONE) && defined (__linux__) +# if !defined (LDAV_DONE) && (defined (__linux__) || defined (__CYGWIN__)) # define LDAV_DONE # undef LOAD_AVE_TYPE @@ -571,7 +573,7 @@ getloadavg (double loadavg[], int nelem) # define LINUX_LDAV_FILE "/proc/loadavg" # endif - char ldavgbuf[3 * (INT_STRLEN_BOUND (long int) + sizeof ".00")]; + char ldavgbuf[3 * (INT_STRLEN_BOUND (int) + sizeof ".00 ")]; char const *ptr = ldavgbuf; int fd, count; @@ -600,7 +602,7 @@ getloadavg (double loadavg[], int nelem) return elem; -# endif /* __linux__ */ +# endif /* __linux__ || __CYGWIN__ */ # if !defined (LDAV_DONE) && defined (__NetBSD__) # define LDAV_DONE @@ -964,14 +966,13 @@ getloadavg (double loadavg[], int nelem) # define LDAV_DONE # endif /* !LDAV_DONE && LOAD_AVE_TYPE */ -# ifdef LDAV_DONE - return elem; -# else +# if !defined LDAV_DONE /* Set errno to zero to indicate that there was no particular error; this function just can't work at all on this system. */ errno = 0; - return -1; + elem = -1; # endif + return elem; } #endif /* ! HAVE_GETLOADAVG */ |